940 lines
24 KiB
JavaScript
940 lines
24 KiB
JavaScript
// +----------------------------------------------------------------------
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// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2016~2021 https://www.crmeb.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
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// +----------------------------------------------------------------------
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// | Author: CRMEB Team <admin@crmeb.com>
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// +----------------------------------------------------------------------
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import {
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TOKENNAME,
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HTTP_REQUEST_URL
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} from '../config/app.js';
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import store from '../store';
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import {
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pathToBase64
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} from '@/plugin/image-tools/index.js';
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import {
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verifyPwd
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} from '@/api/order.js';
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// #ifdef APP-PLUS
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import permision from "./permission.js"
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// #endif
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export default {
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// 是否设置密码
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checkPassword: async function(e) {
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e = e ? e : '';
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return await verifyPwd({
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withdrawal_pwd: e
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});
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},
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/**
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* 字符串截取
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* @obj 传入的数据
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* @state 0 某个参数之前 1某个参数之后
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*
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*
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* **/
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stringIntercept: function(obj, state, type) {
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var index = obj.lastIndexOf(type);
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if (state == 0) {
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obj = obj.substring(0, index);
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} else {
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obj = obj.substring(index + 1, obj.length);
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}
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return obj;
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},
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/**
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* opt object | string
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* to_url object | string
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* 例:
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* this.Tips('/pages/test/test'); 跳转不提示
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* this.Tips({title:'提示'},'/pages/test/test'); 提示并跳转
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* this.Tips({title:'提示'},{tab:1,url:'/pages/index/index'}); 提示并跳转值table上
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* tab=1 一定时间后跳转至 table上
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* tab=2 一定时间后跳转至非 table上
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* tab=3 一定时间后返回上页面
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* tab=4 关闭所有页面跳转至非table上
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* tab=5 关闭当前页面跳转至table上
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*/
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Tips: function(opt, to_url) {
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if (typeof opt == 'string') {
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to_url = opt;
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opt = {};
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}
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let title = opt.title || '',
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icon = opt.icon || 'none',
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endtime = opt.endtime || 2000,
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success = opt.success;
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if (title) uni.showToast({
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title: title,
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icon: icon,
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duration: endtime,
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success
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})
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if (to_url != undefined) {
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if (typeof to_url == 'object') {
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let tab = to_url.tab || 1,
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url = to_url.url || '';
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switch (tab) {
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case 1:
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//一定时间后跳转至 table
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setTimeout(function() {
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uni.switchTab({
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url: url
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})
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}, endtime);
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break;
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case 2:
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//跳转至非table页面
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setTimeout(function() {
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uni.navigateTo({
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url: url,
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})
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}, endtime);
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break;
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case 3:
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//返回上页面
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setTimeout(function() {
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// #ifndef H5
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uni.navigateBack({
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delta: parseInt(url),
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})
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// #endif
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// #ifdef H5
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history.back();
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// #endif
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}, endtime);
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break;
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case 4:
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//关闭当前所有页面跳转至非table页面
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setTimeout(function() {
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uni.reLaunch({
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url: url,
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})
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}, endtime);
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break;
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case 5:
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//关闭当前页面跳转至非table页面
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setTimeout(function() {
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uni.redirectTo({
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url: url,
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fail(err) {
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console.log("跳转失败", err);
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}
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})
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}, endtime);
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break;
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}
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} else if (typeof to_url == 'function') {
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setTimeout(function() {
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to_url && to_url();
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}, endtime);
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} else {
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//没有提示时跳转不延迟
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setTimeout(function() {
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uni.navigateTo({
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url: to_url,
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})
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}, title ? endtime : 0);
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}
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}
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},
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/**
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* 移除数组中的某个数组并组成新的数组返回
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* @param array array 需要移除的数组
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* @param int index 需要移除的数组的键值
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* @param string | int 值
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* @return array
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*
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*/
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ArrayRemove: function(array, index, value) {
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const valueArray = [];
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if (array instanceof Array) {
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for (let i = 0; i < array.length; i++) {
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if (typeof index == 'number' && array[index] != i) {
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valueArray.push(array[i]);
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} else if (typeof index == 'string' && array[i][index] != value) {
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valueArray.push(array[i]);
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}
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}
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}
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return valueArray;
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},
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/**
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* 生成海报获取文字
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* @param string text 为传入的文本
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* @param int num 为单行显示的字节长度
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* @return array
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*/
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textByteLength: function(text, num) {
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let strLength = 0;
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let rows = 1;
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let str = 0;
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let arr = [];
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for (let j = 0; j < text.length; j++) {
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if (text.charCodeAt(j) > 255) {
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strLength += 2;
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if (strLength > rows * num) {
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strLength++;
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arr.push(text.slice(str, j));
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str = j;
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rows++;
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}
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} else {
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strLength++;
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if (strLength > rows * num) {
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arr.push(text.slice(str, j));
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str = j;
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rows++;
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}
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}
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}
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arr.push(text.slice(str, text.length));
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return [strLength, arr, rows] // [处理文字的总字节长度，每行显示内容的数组，行数]
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},
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/**
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* 获取分享海报
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* @param array arr2 海报素材
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* @param string store_name 素材文字
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* @param string price 价格
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* @param function successFn 回调函数
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*
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*
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*/
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PosterCanvas: function(arr2, store_name, price, successFn, errFun) {
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let that = this;
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const ctx = uni.createCanvasContext('myCanvas');
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ctx.clearRect(0, 0, 0, 0);
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/**
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* 只能获取合法域名下的图片信息,本地调试无法获取
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*
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*/
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uni.getImageInfo({
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src: arr2[0],
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success: function(res) {
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// console.log(res, 'getImageInfo')
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const WIDTH = res.width;
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const HEIGHT = res.height;
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ctx.drawImage(arr2[0], 0, 0, WIDTH, HEIGHT);
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ctx.drawImage(arr2[1], 0, 0, WIDTH, WIDTH);
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ctx.save();
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let r = 90;
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let d = r * 2;
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let cx = 40;
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let cy = 990;
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ctx.arc(cx + r, cy + r, r, 0, 2 * Math.PI);
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// ctx.clip();
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ctx.drawImage(arr2[2], cx, cy, d, d);
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ctx.restore();
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const CONTENT_ROW_LENGTH = 40;
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let [contentLeng, contentArray, contentRows] = that.textByteLength(store_name,
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CONTENT_ROW_LENGTH);
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if (contentRows > 2) {
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contentRows = 2;
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let textArray = contentArray.slice(0, 2);
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textArray[textArray.length - 1] += '……';
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contentArray = textArray;
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}
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ctx.setTextAlign('center');
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ctx.setFontSize(32);
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let contentHh = 32 * 1.3;
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for (let m = 0; m < contentArray.length; m++) {
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ctx.fillText(contentArray[m], WIDTH / 2, 820 + contentHh * m);
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}
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ctx.setTextAlign('center')
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ctx.setFontSize(48);
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ctx.setFillStyle('red');
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ctx.fillText('￥' + price, WIDTH / 2, 880 + contentHh);
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ctx.draw(true, function() {
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uni.canvasToTempFilePath({
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canvasId: 'myCanvas',
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fileType: 'png',
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destWidth: WIDTH,
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destHeight: HEIGHT,
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success: function(res) {
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uni.hideLoading();
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successFn && successFn(res.tempFilePath);
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},
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fail: function(err) {
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uni.hideLoading();
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errFun && errFun(err);
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}
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})
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});
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},
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fail: function(err) {
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uni.hideLoading();
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that.Tips({
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title: '无法获取图片信息'
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});
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errFun && errFun(err);
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}
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})
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},
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/**
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* 获取分享海报
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* @param array arr2 海报素材
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* @param string store_name 素材文字
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* @param string price 价格
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* @param function successFn 回调函数
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*
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*
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*/
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goodsPosterCanvas: function(arr2, store_name, price, site_name, ot_price, successFn, errFun) {
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let that = this;
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const ctx = uni.createCanvasContext('myCanvas');
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ctx.clearRect(0, 0, 0, 0);
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/**
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* 只能获取合法域名下的图片信息,本地调试无法获取
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*
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*/
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uni.getImageInfo({
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src: arr2[0],
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success: function(res) {
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// console.log(res, 'getImageInfo')
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const WIDTH = res.width;
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const HEIGHT = res.height;
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ctx.drawImage(arr2[0], 0, 0, WIDTH, HEIGHT + 50);
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ctx.save();
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let r = 90;
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let d = r * 2;
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let cx = 555;
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let cy = 910;
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let ux = 50;
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let uy = 50;
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ctx.arc(cx + r, cy + r, r, 0, 2 * Math.PI);
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ctx.drawImage(arr2[3], 30, 30, 50, 50);
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ctx.save();
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ctx.drawImage(arr2[2], cx, cy - 30, d - 30, d - 30);
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ctx.restore();
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ctx.setTextAlign('left');
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ctx.setFontSize(24);
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ctx.setFillStyle('#282828');
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ctx.fillText(site_name, r, 62);
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const CONTENT_ROW_LENGTH = 26;
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let [contentLeng, contentArray, contentRows] = that.textByteLength(store_name,
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CONTENT_ROW_LENGTH);
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if (contentRows > 2) {
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contentRows = 2;
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let textArray = contentArray.slice(0, 2);
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textArray[textArray.length - 1] = textArray[textArray.length - 1].slice(0,
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textArray[textArray.length - 1].length - 1)
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textArray[textArray.length - 1] += '…';
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contentArray = textArray;
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}
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ctx.setFontSize(32);
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let contentHh = 32 * 1.3;
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for (let m = 0; m < contentArray.length; m++) {
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ctx.fillText(contentArray[m], 30, cy + contentHh * m);
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}
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ctx.setFontSize(40);
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ctx.setFillStyle('red');
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ctx.fillText('￥' + price, 30, 990 + contentHh);
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ctx.setFontSize(26);
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ctx.setFillStyle('#999999');
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ctx.beginPath();
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const textWidth = ctx.measureText(ot_price + '￥').width + 16; //检查字体的宽度
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//绘制数字中间的矩形
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ctx.setFillStyle('#999999');
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ctx.rect(35, 1062, textWidth - 10, 1);
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ctx.fill();
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ctx.closePath();
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ctx.fillText('￥' + ot_price, 35, 1030 + contentHh);
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ctx.clip();
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ctx.restore();
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that.handleBorderRect(ctx, 30, 108, WIDTH - 60, WIDTH - 20, 12);
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ctx.clip();
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ctx.drawImage(arr2[1], 30, 108, WIDTH - 60, WIDTH - 20);
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ctx.draw(true, function() {
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uni.canvasToTempFilePath({
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canvasId: 'myCanvas',
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fileType: 'png',
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destWidth: WIDTH,
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destHeight: HEIGHT,
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success: function(res) {
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uni.hideLoading();
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successFn && successFn(res.tempFilePath);
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},
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fail: function(err) {
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uni.hideLoading();
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errFun && errFun(err);
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}
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})
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});
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},
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fail: function(err) {
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uni.hideLoading();
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that.Tips({
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title: '无法获取图片信息'
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});
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errFun && errFun(err);
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}
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})
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},
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/**
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* 获取视频分享海报
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* @param array arr2 海报素材
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* @param string store_name 素材文字
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* @param string price 价格
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* @param function successFn 回调函数
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*
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*
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*/
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videoPosterCanvas: function(arr2, content, nickname, successFn, errFun) {
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let that = this;
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const ctx = uni.createCanvasContext('myCanvas');
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ctx.clearRect(0, 0, 0, 0);
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/**
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* 只能获取合法域名下的图片信息,本地调试无法获取
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*
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*/
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uni.getImageInfo({
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src: arr2[0],
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success: function(res) {
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const WIDTH = res.width;
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const HEIGHT = res.height;
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let r = 90;
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let d = r * 2;
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let cx = 40;
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let cy = 760;
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let ux = 50;
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let uy = 700;
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ctx.drawImage(arr2[0], 0, 0, WIDTH, HEIGHT);
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ctx.drawImage(arr2[1], 32, 32, WIDTH - 64, WIDTH - 64);
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ctx.strokeStyle = "#ffffff";
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ctx.save();
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ctx.arc(cx + r, cy + r, r, 0, 2 * Math.PI);
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ctx.drawImage(arr2[2], 530, 760, d, d);
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that.handleBorderRect(ctx, ux, uy, r, r, 45);
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ctx.clip();
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ctx.stockStyle = "#ffffff";
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ctx.drawImage(arr2[3], ux, uy, r, r);
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ctx.restore();
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ctx.setTextAlign('left')
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ctx.setFontSize(28);
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ctx.setFillStyle('#282828');
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ctx.fillText(nickname, r + 60, 760);
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ctx.setTextAlign('left')
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ctx.setFontSize(28);
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ctx.setFillStyle('#282828');
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const CONTENT_ROW_LENGTH = 25;
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let [contentLeng, contentArray, contentRows] = that.textByteLength(content,
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CONTENT_ROW_LENGTH);
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if (contentRows > 2) {
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contentRows = 2;
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let textArray = contentArray.slice(0, 2);
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textArray[textArray.length - 1] += '……';
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contentArray = textArray;
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}
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ctx.setTextAlign('left');
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ctx.font = 'bold 32px Arial';
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let contentHh = 32 * 1.3;
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for (let m = 0; m < contentArray.length; m++) {
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ctx.fillText(contentArray[m], 55, 850 + contentHh * m);
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}
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ctx.draw(true, function() {
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uni.canvasToTempFilePath({
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canvasId: 'myCanvas',
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fileType: 'png',
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destWidth: WIDTH,
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destHeight: HEIGHT,
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success: function(res) {
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uni.hideLoading();
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successFn && successFn(res.tempFilePath);
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},
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fail: function(err) {
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uni.hideLoading();
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errFun && errFun(err);
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}
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})
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});
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},
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fail: function(err) {
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uni.hideLoading();
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that.Tips({
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title: '无法获取图片信息'
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});
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errFun && errFun(err);
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}
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})
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},
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/**
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* 图片圆角设置
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* @param string x x轴位置
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* @param string y y轴位置
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* @param string w 图片宽
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* @param string y 图片高
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* @param string r 圆角值
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*/
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handleBorderRect(ctx, x, y, w, h, r) {
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ctx.beginPath();
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// 左上角
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ctx.arc(x + r, y + r, r, Math.PI, 1.5 * Math.PI);
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ctx.moveTo(x + r, y);
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ctx.lineTo(x + w - r, y);
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ctx.lineTo(x + w, y + r);
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// 右上角
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ctx.arc(x + w - r, y + r, r, 1.5 * Math.PI, 2 * Math.PI);
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ctx.lineTo(x + w, y + h - r);
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ctx.lineTo(x + w - r, y + h);
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// 右下角
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ctx.arc(x + w - r, y + h - r, r, 0, 0.5 * Math.PI);
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ctx.lineTo(x + r, y + h);
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ctx.lineTo(x, y + h - r);
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// 左下角
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ctx.arc(x + r, y + h - r, r, 0.5 * Math.PI, Math.PI);
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ctx.lineTo(x, y + r);
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ctx.lineTo(x + r, y);
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ctx.fill();
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ctx.closePath();
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},
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/**
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* 用户信息分享海报
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* @param array arr2 海报素材 1背景 0二维码
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* @param string nickname 昵称
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* @param string sitename 价格
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* @param function successFn 回调函数
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*
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*
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*/
|
||
userPosterCanvas: function(arr2, nickname, sitename, index, w, h, successFn) {
|
||
let that = this;
|
||
const ctx = uni.createCanvasContext('myCanvas' + index);
|
||
ctx.clearRect(0, 0, 0, 0);
|
||
/**
|
||
* 只能获取合法域名下的图片信息,本地调试无法获取
|
||
*
|
||
*/
|
||
uni.getImageInfo({
|
||
src: arr2[1],
|
||
success: function(res) {
|
||
const WIDTH = res.width;
|
||
const HEIGHT = res.height;
|
||
// ctx.fillStyle = '#fff';
|
||
ctx.fillRect(0, 0, w, h);
|
||
ctx.drawImage(arr2[0], 0, 0, WIDTH, HEIGHT);
|
||
ctx.drawImage(arr2[1], 0, 0, w, h);
|
||
ctx.setTextAlign('left')
|
||
ctx.setFontSize(12);
|
||
ctx.setFillStyle('#333');
|
||
let codex = 0.1906
|
||
let codey = 0.7746
|
||
let codeSize = 0.21666
|
||
let namex = 0.4283
|
||
let namey = 0.8215
|
||
let markx = 0.4283
|
||
let marky = 0.8685
|
||
ctx.drawImage(arr2[0], w * codex, h * codey, w * codeSize, w * codeSize);
|
||
if (w < 270) {
|
||
ctx.setFontSize(8);
|
||
} else {
|
||
ctx.setFontSize(10);
|
||
}
|
||
ctx.fillText(nickname, w * namex, h * namey);
|
||
if (w < 270) {
|
||
ctx.setFontSize(8);
|
||
} else {
|
||
ctx.setFontSize(10);
|
||
}
|
||
ctx.fillText(sitename, w * markx, h * marky);
|
||
ctx.save();
|
||
ctx.draw(false, setTimeout(() => {
|
||
uni.canvasToTempFilePath({
|
||
canvasId: 'myCanvas' + index,
|
||
fileType: 'png',
|
||
destWidth: WIDTH,
|
||
destHeight: HEIGHT,
|
||
success: function(res) {
|
||
successFn && successFn(res.tempFilePath);
|
||
},
|
||
fail: function(err) {
|
||
// console.log(err)
|
||
uni.hideLoading();
|
||
|
||
}
|
||
})
|
||
}, 1000))
|
||
},
|
||
fail: function(err) {
|
||
|
||
uni.hideLoading();
|
||
that.Tips({
|
||
title: '无法获取图片信息'
|
||
});
|
||
}
|
||
})
|
||
},
|
||
|
||
/*
|
||
* 单图上传
|
||
* @param object opt
|
||
* @param callable successCallback 成功执行方法 data
|
||
* @param callable errorCallback 失败执行方法
|
||
*/
|
||
uploadImageOne: function(opt, successCallback, errorCallback) {
|
||
let that = this;
|
||
if (typeof opt === 'string') {
|
||
let url = opt;
|
||
opt = {};
|
||
opt.url = url;
|
||
}
|
||
let count = opt.count || 1,
|
||
sizeType = opt.sizeType || ['compressed'],
|
||
sourceType = opt.sourceType || ['album', 'camera'],
|
||
is_load = opt.is_load || true,
|
||
uploadUrl = opt.url || '',
|
||
inputName = opt.name || 'field';
|
||
uni.chooseImage({
|
||
count: count, //最多可以选择的图片总数
|
||
sizeType: sizeType, // 可以指定是原图还是压缩图，默认二者都有
|
||
sourceType: sourceType, // 可以指定来源是相册还是相机，默认二者都有
|
||
success: function(res) {
|
||
//启动上传等待中...
|
||
uni.showLoading({
|
||
title: '图片上传中',
|
||
});
|
||
uni.uploadFile({
|
||
url: HTTP_REQUEST_URL + '/api/' + uploadUrl + '/' + inputName,
|
||
filePath: res.tempFilePaths[0],
|
||
name: inputName,
|
||
formData: {
|
||
'filename': inputName
|
||
},
|
||
header: {
|
||
// #ifdef MP
|
||
"Content-Type": "multipart/form-data",
|
||
// #endif
|
||
[TOKENNAME]: 'Bearer ' + store.state.app.token
|
||
},
|
||
success: function(res) {
|
||
uni.hideLoading();
|
||
if (res.statusCode == 403) {
|
||
that.Tips({
|
||
title: res.data
|
||
});
|
||
} else {
|
||
let data = res.data ? JSON.parse(res.data) : {};
|
||
if (data.status == 200) {
|
||
successCallback && successCallback(data)
|
||
} else {
|
||
errorCallback && errorCallback(data);
|
||
that.Tips({
|
||
title: data.message
|
||
});
|
||
}
|
||
}
|
||
},
|
||
fail: function(res) {
|
||
uni.hideLoading();
|
||
that.Tips({
|
||
title: '上传图片失败'
|
||
});
|
||
}
|
||
})
|
||
}
|
||
})
|
||
},
|
||
/**
|
||
* 小程序头像获取上传
|
||
* @param uploadUrl 上传接口地址
|
||
* @param filePath 上传文件路径
|
||
* @param successCallback success回调
|
||
* @param errorCallback err回调
|
||
*/
|
||
uploadImgs(uploadUrl, filePath, successCallback, errorCallback) {
|
||
let that = this;
|
||
let inputName = 'pics';
|
||
uni.uploadFile({
|
||
url: HTTP_REQUEST_URL + '/api/' + uploadUrl + '/' + inputName,
|
||
filePath: filePath,
|
||
fileType: 'image',
|
||
name: 'pics',
|
||
formData: {
|
||
'filename': 'pics'
|
||
},
|
||
header: {
|
||
// #ifdef MP
|
||
"Content-Type": "multipart/form-data",
|
||
// #endif
|
||
[TOKENNAME]: 'Bearer ' + store.state.app.token
|
||
},
|
||
success: (res) => {
|
||
uni.hideLoading();
|
||
if (res.statusCode == 403) {
|
||
that.Tips({
|
||
title: res.data
|
||
});
|
||
} else {
|
||
let data = res.data ? JSON
|
||
.parse(res.data) : {};
|
||
if (data.status == 200) {
|
||
successCallback &&
|
||
successCallback(data)
|
||
} else {
|
||
errorCallback &&
|
||
errorCallback(data);
|
||
that.Tips({
|
||
title: data.message
|
||
});
|
||
}
|
||
}
|
||
},
|
||
fail: (err) => {
|
||
// console.log(err)
|
||
uni.hideLoading();
|
||
that.Tips({
|
||
title: i18n.t(`上传图片失败`)
|
||
});
|
||
}
|
||
})
|
||
},
|
||
serialize: function(obj) {
|
||
var str = [];
|
||
for (var p in obj)
|
||
if (obj.hasOwnProperty(p)) {
|
||
str.push(encodeURIComponent(p) + "=" + encodeURIComponent(obj[p]));
|
||
}
|
||
return str.join("&");
|
||
},
|
||
getNowUrl: function() {
|
||
const pages = getCurrentPages(),
|
||
page = pages[pages.length - 1],
|
||
query = this.serialize(page.options || {});
|
||
return page.route + (query ? '?' + query : '');
|
||
},
|
||
/**
|
||
* 处理服务器扫码带进来的参数
|
||
* @param string param 扫码携带参数
|
||
* @param string k 整体分割符 默认为：&
|
||
* @param string p 单个分隔符 默认为：=
|
||
* @return object
|
||
*
|
||
*/
|
||
// #ifdef MP
|
||
getUrlParams: function(param, k, p) {
|
||
if (typeof param != 'string') return {};
|
||
k = k ? k : '&'; //整体参数分隔符
|
||
p = p ? p : '='; //单个参数分隔符
|
||
var value = {};
|
||
if (param.indexOf(k) !== -1) {
|
||
param = param.split(k);
|
||
for (var val in param) {
|
||
if (param[val].indexOf(p) !== -1) {
|
||
var item = param[val].split(p);
|
||
value[item[0]] = item[1];
|
||
}
|
||
}
|
||
} else if (param.indexOf(p) !== -1) {
|
||
var item = param.split(p);
|
||
value[item[0]] = item[1];
|
||
} else {
|
||
return param;
|
||
}
|
||
return value;
|
||
},
|
||
// #endif
|
||
/*
|
||
* 合并数组
|
||
*/
|
||
SplitArray(list, sp) {
|
||
if (typeof list != 'object') return [];
|
||
if (sp === undefined) sp = [];
|
||
for (var i = 0; i < list.length; i++) {
|
||
sp.push(list[i]);
|
||
}
|
||
return sp;
|
||
},
|
||
trim(str) {
|
||
return String.prototype.trim.call(str);
|
||
},
|
||
$h: {
|
||
//除法函数，用来得到精确的除法结果
|
||
//说明：javascript的除法结果会有误差，在两个浮点数相除的时候会比较明显。这个函数返回较为精确的除法结果。
|
||
//调用：$h.Div(arg1,arg2)
|
||
//返回值：arg1除以arg2的精确结果
|
||
Div: function(arg1, arg2) {
|
||
arg1 = parseFloat(arg1);
|
||
arg2 = parseFloat(arg2);
|
||
var t1 = 0,
|
||
t2 = 0,
|
||
r1, r2;
|
||
try {
|
||
t1 = arg1.toString().split(".")[1].length;
|
||
} catch (e) {}
|
||
try {
|
||
t2 = arg2.toString().split(".")[1].length;
|
||
} catch (e) {}
|
||
r1 = Number(arg1.toString().replace(".", ""));
|
||
r2 = Number(arg2.toString().replace(".", ""));
|
||
return this.Mul(r1 / r2, Math.pow(10, t2 - t1));
|
||
},
|
||
//加法函数，用来得到精确的加法结果
|
||
//说明：javascript的加法结果会有误差，在两个浮点数相加的时候会比较明显。这个函数返回较为精确的加法结果。
|
||
//调用：$h.Add(arg1,arg2)
|
||
//返回值：arg1加上arg2的精确结果
|
||
Add: function(arg1, arg2) {
|
||
arg2 = parseFloat(arg2);
|
||
var r1, r2, m;
|
||
try {
|
||
r1 = arg1.toString().split(".")[1].length
|
||
} catch (e) {
|
||
r1 = 0
|
||
}
|
||
try {
|
||
r2 = arg2.toString().split(".")[1].length
|
||
} catch (e) {
|
||
r2 = 0
|
||
}
|
||
m = Math.pow(100, Math.max(r1, r2));
|
||
return (this.Mul(arg1, m) + this.Mul(arg2, m)) / m;
|
||
},
|
||
//减法函数，用来得到精确的减法结果
|
||
//说明：javascript的加法结果会有误差，在两个浮点数相加的时候会比较明显。这个函数返回较为精确的减法结果。
|
||
//调用：$h.Sub(arg1,arg2)
|
||
//返回值：arg1减去arg2的精确结果
|
||
Sub: function(arg1, arg2) {
|
||
arg1 = parseFloat(arg1);
|
||
arg2 = parseFloat(arg2);
|
||
var r1, r2, m, n;
|
||
try {
|
||
r1 = arg1.toString().split(".")[1].length
|
||
} catch (e) {
|
||
r1 = 0
|
||
}
|
||
try {
|
||
r2 = arg2.toString().split(".")[1].length
|
||
} catch (e) {
|
||
r2 = 0
|
||
}
|
||
m = Math.pow(10, Math.max(r1, r2));
|
||
//动态控制精度长度
|
||
n = (r1 >= r2) ? r1 : r2;
|
||
return ((this.Mul(arg1, m) - this.Mul(arg2, m)) / m).toFixed(n);
|
||
},
|
||
//乘法函数，用来得到精确的乘法结果
|
||
//说明：javascript的乘法结果会有误差，在两个浮点数相乘的时候会比较明显。这个函数返回较为精确的乘法结果。
|
||
//调用：$h.Mul(arg1,arg2)
|
||
//返回值：arg1乘以arg2的精确结果
|
||
Mul: function(arg1, arg2) {
|
||
arg1 = parseFloat(arg1);
|
||
arg2 = parseFloat(arg2);
|
||
var m = 0,
|
||
s1 = arg1.toString(),
|
||
s2 = arg2.toString();
|
||
try {
|
||
m += s1.split(".")[1].length
|
||
} catch (e) {}
|
||
try {
|
||
m += s2.split(".")[1].length
|
||
} catch (e) {}
|
||
return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m);
|
||
},
|
||
},
|
||
// 获取地理位置;
|
||
$L: {
|
||
async getLocation() {
|
||
// #ifdef APP-PLUS
|
||
let status = await this.checkPermission();
|
||
if (status !== 1) {
|
||
return;
|
||
}
|
||
// #endif
|
||
// #ifdef MP-WEIXIN || MP-TOUTIAO || MP-QQ
|
||
let status = await this.getSetting();
|
||
if (status === 2) {
|
||
this.openSetting();
|
||
return;
|
||
}
|
||
// #endif
|
||
this.doGetLocation();
|
||
},
|
||
doGetLocation() {
|
||
uni.getLocation({
|
||
success: (res) => {
|
||
uni.removeStorageSync('CACHE_LONGITUDE');
|
||
uni.removeStorageSync('CACHE_LATITUDE');
|
||
uni.setStorageSync('CACHE_LONGITUDE', res.longitude);
|
||
uni.setStorageSync('CACHE_LATITUDE', res.latitude);
|
||
},
|
||
fail: (err) => {
|
||
// #ifdef MP-BAIDU
|
||
if (err.errCode === 202 || err.errCode === 10003) { // 202模拟器 10003真机 user deny
|
||
this.openSetting();
|
||
}
|
||
// #endif
|
||
// #ifndef MP-BAIDU
|
||
if (err.errMsg.indexOf("auth deny") >= 0) {
|
||
uni.showToast({
|
||
title: "访问位置被拒绝"
|
||
})
|
||
} else {
|
||
uni.showToast({
|
||
title: err.errMsg
|
||
})
|
||
}
|
||
// #endif
|
||
}
|
||
})
|
||
},
|
||
getSetting: function() {
|
||
return new Promise((resolve, reject) => {
|
||
uni.getSetting({
|
||
success: (res) => {
|
||
if (res.authSetting['scope.userLocation'] === undefined) {
|
||
resolve(0);
|
||
return;
|
||
}
|
||
if (res.authSetting['scope.userLocation']) {
|
||
resolve(1);
|
||
} else {
|
||
resolve(2);
|
||
}
|
||
}
|
||
});
|
||
});
|
||
},
|
||
openSetting: function() {
|
||
uni.openSetting({
|
||
success: (res) => {
|
||
if (res.authSetting && res.authSetting['scope.userLocation']) {
|
||
this.doGetLocation();
|
||
}
|
||
},
|
||
fail: (err) => {}
|
||
})
|
||
},
|
||
async checkPermission() {
|
||
let status = permision.isIOS ? await permision.requestIOS('location') :
|
||
await permision.requestAndroid('android.permission.ACCESS_FINE_LOCATION');
|
||
if (status === null || status === 1) {
|
||
status = 1;
|
||
} else if (status === 2) {
|
||
uni.showModal({
|
||
content: "系统定位已关闭",
|
||
confirmText: "确定",
|
||
showCancel: false,
|
||
success: function(res) {}
|
||
})
|
||
} else if (status.code) {
|
||
uni.showModal({
|
||
content: status.message
|
||
})
|
||
} else {
|
||
uni.showModal({
|
||
content: "需要定位权限",
|
||
confirmText: "设置",
|
||
success: function(res) {
|
||
if (res.confirm) {
|
||
permision.gotoAppSetting();
|
||
}
|
||
}
|
||
})
|
||
}
|
||
return status;
|
||
},
|
||
}
|
||
} |