mall-uniapp/utils/util.js

624 lines
17 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

import {
TOKENNAME,
HTTP_REQUEST_URL
} from '../config/app.js';
import store from '../store';
import {
pathToBase64
} from '@/plugin/image-tools/index.js';
// #ifdef APP-PLUS
import permision from "./permission.js"
// #endif
export default {
/**
* 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,
})
}, 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]
},
// 生成海报
PosterCanvas:function(arrImages, storeName, price, successFn){
uni.showLoading({
title: '海报生成中',
mask: true
});
let context = uni.createCanvasContext('firstCanvas')
context.clearRect(0, 0, 0, 0);
let that = this;
uni.getImageInfo({
src: arrImages[0],
success: function (image) {
context.drawImage(arrImages[0], 0, 0, 750, 1190);
context.drawImage(arrImages[1], 0, 0, 750, 750);
context.save();
context.drawImage(arrImages[2], 110, 1000, 140, 140);
context.restore();
context.setFontSize(30);
context.setTextAlign('center');
let maxText = 28;
let text = storeName;
let topText = '';
let bottomText = '';
let len = text.length;
if(len>maxText*2){
text = text.slice(0,maxText*2-4)+'......';
topText = text.slice(0,maxText-1);
bottomText = text.slice(maxText-1,len);
}else{
if(len>maxText){
topText = text.slice(0,maxText-1);
bottomText = text.slice(maxText-1,len);
}else{
topText = text;
bottomText = '';
}
}
context.fillText(topText, 750/2, 800);
context.fillText(bottomText, 750/2, 840);
context.setFontSize(37);
context.setTextAlign('center');
context.setFillStyle('#fc4141');
context.fillText('¥' + price, 750 / 2, 900);
context.draw(true,function(){
uni.canvasToTempFilePath({
destWidth: 750,
destHeight: 1190,
canvasId: 'firstCanvas',
fileType: 'jpg',
success: function(res) {
// 在H5平台下tempFilePath 为 base64
uni.hideLoading();
successFn && successFn(res.tempFilePath);
// that.imagePath = res.tempFilePath;
// that.canvasStatus = true;
}
})
})
},
fail: function(err) {
uni.hideLoading();
that.Tips({
title: '无法获取图片信息'
});
}
});
},
/**
* 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) {
// let that = this;
// uni.showLoading({
// title: '海报生成中',
// mask: true
// });
// 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;
// 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.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);
// console.log('787878奋斗奋斗');
// console.log(res);
// ctx.draw(true, function() {
// console.log('我在测试');
// console.log(res);
// uni.canvasToTempFilePath({
// canvasId: 'myCanvas',
// fileType: 'png',
// destWidth: WIDTH,
// destHeight: HEIGHT,
// success: function(res) {
// console.log('3333');
// console.log(res);
// uni.hideLoading();
// successFn && successFn(res.tempFilePath);
// }
// })
// });
// },
// 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 || 'pics',
pid = opt.pid,
model = opt.model;
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',
});
let urlPath = HTTP_REQUEST_URL + '/api/front/' + uploadUrl + "?model="+model+"&pid="+pid;
let localPath = res.tempFilePaths[0];
uni.uploadFile({
url: urlPath,
filePath: localPath,
name: inputName,
header: {
// #ifdef MP
"Content-Type": "multipart/form-data",
// #endif
[TOKENNAME]: 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.code == 200) {
data.data.localPath = localPath;
successCallback && successCallback(data)
} else {
errorCallback && errorCallback(data);
that.Tips({
title: data.msg
});
}
}
},
fail: function(res) {
uni.hideLoading();
that.Tips({
title: '上传图片失败'
});
}
})
// pathToBase64(res.tempFilePaths[0])
// .then(imgBase64 => {
// console.log(imgBase64);
// })
// .catch(error => {
// console.error(error)
// })
}
})
},
/**
* 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;
},
}
}