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shop-applet/utils/util.js

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init
2024-05-14 17:25:13 +08:00
// +----------------------------------------------------------------------
// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2016~2021 https://www.crmeb.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
// +----------------------------------------------------------------------
// | Author: CRMEB Team <admin@crmeb.com>
// +----------------------------------------------------------------------
import {
TOKENNAME,
HTTP_REQUEST_URL
} from '../config/app.js';
import store from '../store';
import {
pathToBase64
} from '@/plugin/image-tools/index.js';
import {
verifyPwd
} from '@/api/order.js';
// #ifdef APP-PLUS
import permision from "./permission.js"
// #endif
import {
errorReport
} from "@/api/user.js";
export default {
errorSave: function(a, b) {
errorReport({
route: a,
msg: b
})
},
// 是否设置密码
checkPassword: async function(e) {
e = e ? e : '';
return await verifyPwd({
withdrawal_pwd: e
});
},
/**
* 字符串截取
* @obj 传入的数据
* @state 0 某个参数之前 1某个参数之后
*
*
* **/
stringIntercept: function(obj, state, type) {
var index = obj.lastIndexOf(type);
if (state == 0) {
obj = obj.substring(0, index);
} else {
obj = obj.substring(index + 1, obj.length);
}
return obj;
},
/**
* opt object | string
* to_url object | string
* 例:
* this.Tips('/pages/test/test'); 跳转不提示
* this.Tips({title:'提示'},'/pages/test/test'); 提示并跳转
* this.Tips({title:'提示'},{tab:1,url:'/pages/index/index'}); 提示并跳转值table上
* tab=1 一定时间后跳转至 table上
* tab=2 一定时间后跳转至非 table上
* tab=3 一定时间后返回上页面
* tab=4 关闭所有页面跳转至非table上
* tab=5 关闭当前页面跳转至table上
*/
Tips: function(opt, to_url) {
if (typeof opt == 'string') {
to_url = opt;
opt = {};
}
let title = opt.title || '',
icon = opt.icon || 'none',
endtime = opt.endtime || 2000,
success = opt.success;
if (title) uni.showToast({
title: title,
icon: icon,
duration: endtime,
success
})
if (to_url != undefined) {
if (typeof to_url == 'object') {
let tab = to_url.tab || 1,
url = to_url.url || '';
switch (tab) {
case 1:
//一定时间后跳转至 table
setTimeout(function() {
uni.switchTab({
url: url
})
}, endtime);
break;
case 2:
//跳转至非table页面
setTimeout(function() {
uni.navigateTo({
url: url,
})
}, endtime);
break;
case 3:
//返回上页面
setTimeout(function() {
// #ifndef H5
uni.navigateBack({
delta: parseInt(url),
})
// #endif
// #ifdef H5
history.back();
// #endif
}, endtime);
break;
case 4:
//关闭当前所有页面跳转至非table页面
setTimeout(function() {
uni.reLaunch({
url: url,
})
}, endtime);
break;
case 5:
//关闭当前页面跳转至非table页面
setTimeout(function() {
uni.redirectTo({
url: url,
fail(err) {
console.log("跳转失败", err);
}
})
}, endtime);
break;
}
} else if (typeof to_url == 'function') {
setTimeout(function() {
to_url && to_url();
}, endtime);
} else {
//没有提示时跳转不延迟
setTimeout(function() {
uni.navigateTo({
url: to_url,
})
}, title ? endtime : 0);
}
}
},
/**
* 移除数组中的某个数组并组成新的数组返回
* @param array array 需要移除的数组
* @param int index 需要移除的数组的键值
* @param string | int 值
* @return array
*
*/
ArrayRemove: function(array, index, value) {
const valueArray = [];
if (array instanceof Array) {
for (let i = 0; i < array.length; i++) {
if (typeof index == 'number' && array[index] != i) {
valueArray.push(array[i]);
} else if (typeof index == 'string' && array[i][index] != value) {
valueArray.push(array[i]);
}
}
}
return valueArray;
},
/**
* 生成海报获取文字
* @param string text 为传入的文本
* @param int num 为单行显示的字节长度
* @return array
*/
textByteLength: function(text, num) {
let strLength = 0;
let rows = 1;
let str = 0;
let arr = [];
for (let j = 0; j < text.length; j++) {
if (text.charCodeAt(j) > 255) {
strLength += 2;
if (strLength > rows * num) {
strLength++;
arr.push(text.slice(str, j));
str = j;
rows++;
}
} else {
strLength++;
if (strLength > rows * num) {
arr.push(text.slice(str, j));
str = j;
rows++;
}
}
}
arr.push(text.slice(str, text.length));
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]
},
/**
* 获取分享海报
* @param array arr2 海报素材
* @param string store_name 素材文字
* @param string price 价格
* @param function successFn 回调函数
*
*
*/
PosterCanvas: function(arr2, store_name, price, successFn, errFun) {
let that = this;
const ctx = uni.createCanvasContext('myCanvas');
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[0],
success: function(res) {
// console.log(res, 'getImageInfo')
const WIDTH = res.width;
const HEIGHT = res.height;
ctx.drawImage(arr2[0], 0, 0, WIDTH, HEIGHT);
ctx.drawImage(arr2[1], 0, 0, WIDTH, WIDTH);
ctx.save();
let r = 90;
let d = r * 2;
let cx = 40;
let cy = 990;
ctx.arc(cx + r, cy + r, r, 0, 2 * Math.PI);
// ctx.clip();
ctx.drawImage(arr2[2], cx, cy, d, d);
ctx.restore();
const CONTENT_ROW_LENGTH = 40;
let [contentLeng, contentArray, contentRows] = that.textByteLength(store_name,
CONTENT_ROW_LENGTH);
if (contentRows > 2) {
contentRows = 2;
let textArray = contentArray.slice(0, 2);
textArray[textArray.length - 1] += '……';
contentArray = textArray;
}
ctx.setTextAlign('center');
ctx.setFontSize(32);
let contentHh = 32 * 1.3;
for (let m = 0; m < contentArray.length; m++) {
ctx.fillText(contentArray[m], WIDTH / 2, 820 + contentHh * m);
}
ctx.setTextAlign('center')
ctx.setFontSize(48);
ctx.setFillStyle('red');
ctx.fillText('￥' + price, WIDTH / 2, 880 + contentHh);
ctx.draw(true, function() {
uni.canvasToTempFilePath({
canvasId: 'myCanvas',
fileType: 'png',
destWidth: WIDTH,
destHeight: HEIGHT,
success: function(res) {
uni.hideLoading();
successFn && successFn(res.tempFilePath);
},
fail: function(err) {
uni.hideLoading();
errFun && errFun(err);
}
})
});
},
fail: function(err) {
uni.hideLoading();
that.Tips({
title: '无法获取图片信息'
});
errFun && errFun(err);
}
})
},
/**
* 获取分享海报
* @param array arr2 海报素材
* @param string store_name 素材文字
* @param string price 价格
* @param function successFn 回调函数
*
*
*/
goodsPosterCanvas: function(arr2, store_name, price, site_name, ot_price, successFn, errFun) {
let that = this;
const ctx = uni.createCanvasContext('myCanvas');
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[0],
success: function(res) {
// console.log(res, 'getImageInfo')
const WIDTH = res.width;
const HEIGHT = res.height;
ctx.drawImage(arr2[0], 0, 0, WIDTH, HEIGHT + 50);
ctx.save();
let r = 90;
let d = r * 2;
let cx = 555;
let cy = 910;
let ux = 50;
let uy = 50;
ctx.arc(cx + r, cy + r, r, 0, 2 * Math.PI);
ctx.drawImage(arr2[3], 30, 30, 50, 50);
ctx.save();
ctx.drawImage(arr2[2], cx, cy - 30, d - 30, d - 30);
ctx.restore();
ctx.setTextAlign('left');
ctx.setFontSize(24);
ctx.setFillStyle('#282828');
ctx.fillText(site_name, r, 62);
const CONTENT_ROW_LENGTH = 26;
let [contentLeng, contentArray, contentRows] = that.textByteLength(store_name,
CONTENT_ROW_LENGTH);
if (contentRows > 2) {
contentRows = 2;
let textArray = contentArray.slice(0, 2);
textArray[textArray.length - 1] = textArray[textArray.length - 1].slice(0,
textArray[textArray.length - 1].length - 1)
textArray[textArray.length - 1] += '…';
contentArray = textArray;
}
ctx.setFontSize(32);
let contentHh = 32 * 1.3;
for (let m = 0; m < contentArray.length; m++) {
ctx.fillText(contentArray[m], 30, cy + contentHh * m);
}
ctx.setFontSize(40);
ctx.setFillStyle('red');
ctx.fillText('￥' + price, 30, 990 + contentHh);
ctx.setFontSize(26);
ctx.setFillStyle('#999999');
ctx.beginPath();
const textWidth = ctx.measureText(ot_price + '￥').width + 16; //检查字体的宽度
//绘制数字中间的矩形
ctx.setFillStyle('#999999');
ctx.rect(35, 1062, textWidth - 10, 1);
ctx.fill();
ctx.closePath();
ctx.fillText('￥' + ot_price, 35, 1030 + contentHh);
ctx.clip();
ctx.restore();
that.handleBorderRect(ctx, 30, 108, WIDTH - 60, WIDTH - 20, 12);
ctx.clip();
ctx.drawImage(arr2[1], 30, 108, WIDTH - 60, WIDTH - 20);
ctx.draw(true, function() {
uni.canvasToTempFilePath({
canvasId: 'myCanvas',
fileType: 'png',
destWidth: WIDTH,
destHeight: HEIGHT,
success: function(res) {
uni.hideLoading();
successFn && successFn(res.tempFilePath);
},
fail: function(err) {
uni.hideLoading();
errFun && errFun(err);
}
})
});
},
fail: function(err) {
uni.hideLoading();
that.Tips({
title: '无法获取图片信息'
});
errFun && errFun(err);
}
})
},
/**
* 获取视频分享海报
* @param array arr2 海报素材
* @param string store_name 素材文字
* @param string price 价格
* @param function successFn 回调函数
*
*
*/
videoPosterCanvas: function(arr2, content, nickname, successFn, errFun) {
let that = this;
const ctx = uni.createCanvasContext('myCanvas');
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[0],
success: function(res) {
const WIDTH = res.width;
const HEIGHT = res.height;
let r = 90;
let d = r * 2;
let cx = 40;
let cy = 760;
let ux = 50;
let uy = 700;
ctx.drawImage(arr2[0], 0, 0, WIDTH, HEIGHT);
ctx.drawImage(arr2[1], 32, 32, WIDTH - 64, WIDTH - 64);
ctx.strokeStyle = "#ffffff";
ctx.save();
ctx.arc(cx + r, cy + r, r, 0, 2 * Math.PI);
ctx.drawImage(arr2[2], 530, 760, d, d);
that.handleBorderRect(ctx, ux, uy, r, r, 45);
ctx.clip();
ctx.stockStyle = "#ffffff";
ctx.drawImage(arr2[3], ux, uy, r, r);
ctx.restore();
ctx.setTextAlign('left')
ctx.setFontSize(28);
ctx.setFillStyle('#282828');
ctx.fillText(nickname, r + 60, 760);
ctx.setTextAlign('left')
ctx.setFontSize(28);
ctx.setFillStyle('#282828');
const CONTENT_ROW_LENGTH = 25;
let [contentLeng, contentArray, contentRows] = that.textByteLength(content,
CONTENT_ROW_LENGTH);
if (contentRows > 2) {
contentRows = 2;
let textArray = contentArray.slice(0, 2);
textArray[textArray.length - 1] += '……';
contentArray = textArray;
}
ctx.setTextAlign('left');
ctx.font = 'bold 32px Arial';
let contentHh = 32 * 1.3;
for (let m = 0; m < contentArray.length; m++) {
ctx.fillText(contentArray[m], 55, 850 + contentHh * m);
}
ctx.draw(true, function() {
uni.canvasToTempFilePath({
canvasId: 'myCanvas',
fileType: 'png',
destWidth: WIDTH,
destHeight: HEIGHT,
success: function(res) {
uni.hideLoading();
successFn && successFn(res.tempFilePath);
},
fail: function(err) {
uni.hideLoading();
errFun && errFun(err);
}
})
});
},
fail: function(err) {
uni.hideLoading();
that.Tips({
title: '无法获取图片信息'
});
errFun && errFun(err);
}
})
},
/**
* 图片圆角设置
* @param string x x轴位置
* @param string y y轴位置
* @param string w 图片宽
* @param string y 图片高
* @param string r 圆角值
*/
handleBorderRect(ctx, x, y, w, h, r) {
ctx.beginPath();
// 左上角
ctx.arc(x + r, y + r, r, Math.PI, 1.5 * Math.PI);
ctx.moveTo(x + r, y);
ctx.lineTo(x + w - r, y);
ctx.lineTo(x + w, y + r);
// 右上角
ctx.arc(x + w - r, y + r, r, 1.5 * Math.PI, 2 * Math.PI);
ctx.lineTo(x + w, y + h - r);
ctx.lineTo(x + w - r, y + h);
// 右下角
ctx.arc(x + w - r, y + h - r, r, 0, 0.5 * Math.PI);
ctx.lineTo(x + r, y + h);
ctx.lineTo(x, y + h - r);
// 左下角
ctx.arc(x + r, y + h - r, r, 0.5 * Math.PI, Math.PI);
ctx.lineTo(x, y + r);
ctx.lineTo(x + r, y);
ctx.fill();
ctx.closePath();
},
/**
* 用户信息分享海报
* @param array arr2 海报素材 1背景 0二维码
* @param string nickname 昵称
* @param string sitename 价格
* @param function successFn 回调函数
*
*
*/
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;
发布商品
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let obj = {};
init
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if (typeof opt === 'string') {
let url = opt;
opt = {};
opt.url = url;
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} else {
opt.crop ? obj.crop = opt.crop : null;
}
init
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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
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...obj,
init
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success: function(res) {
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console.log(res);
init
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//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'
});
}
})
}
})
},
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/*
* 多上传
* @param object opt
* @param callable successCallback 成功执行方法 data
* @param callable errorCallback 失败执行方法
*/
uploadImages: function(opt, successCallback, errorCallback) {
let that = this;
let obj = {};
if (typeof opt === 'string') {
let url = opt;
opt = {};
opt.url = url;
} else {
opt.crop ? obj.crop = opt.crop : null;
}
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
...obj,
success: function(res) {
//启动上传等待中...
uni.showLoading({
title: '图片上传中',
});
res.tempFilePaths.forEach((item, index) => {
uni.uploadFile({
url: HTTP_REQUEST_URL + '/api/' + uploadUrl + '/' + inputName,
filePath: item,
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'
});
}
})
})
}
})
},
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/**
* 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;
},
}
}