Huanyuyuehui/libs/uniApi.js

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// import uniCopy from '@/js_sdk/xb-copy/uni-copy.js'; // 拷贝功能插件
// import compressImage from './compressImage.js'; // 解决图片旋转90°问题
// const device = uni.getSystemInfoSync();
// console.log("device:======================== " + JSON.stringify(device));
/*
参数说明
@url
要跳转的目标地址
@opt
要传给目标地址的参数
可在目标页面的onLoad生命周期函数的第一个参数中获取
*/
// 压栈跳转页面
export function navigateTo(type, url, opt) {
// H5端页面跳转目前不支持动画 (浏览器性能限制)
let toUrl = url;
let api = 'navigateTo';
toUrl = opt ? toUrl + '?' + convertObj(opt) : toUrl;
switch (type) {
case 1:
api = 'navigateTo';
break;
case 2:
api = 'redirectTo'; // 关闭当前页,跳转应用内某个页面
break;
case 3:
api = 'reLaunch'; // 关闭所有页面,打开到应用内某个页面
break;
case 4:
api = 'switchTab'; //跳转到 tabBar 页面,并关闭其他所有非 tabBar 页面。
break;
default:
api = 'navigateTo'
break;
}
uni[api]({
url: toUrl,
animationType: 'slide-in-right',
animationDuration: 200
});
}
// 关闭当前页面并返回上一页面 delta 标识返回几层
export function navigateBack(delta) {
uni.navigateBack({
delta: delta
});
}
// setStorage 将数据存入缓存
export function setStorage(key, val) {
if (typeof val == 'string') {
uni.setStorageSync(key, val);
return val
}
uni.setStorageSync(key, JSON.stringify(val));
}
// getStorage 从缓存中读取数据
export function getStorage(key) {
let uu = uni.getStorageSync(key);
try {
if (typeof JSON.parse(uu) != 'number') {
uu = JSON.parse(uu);
}
} catch (e) {}
return uu;
}
// 删除缓存中的数据
export function removeStorage(key) {
if (key) {
uni.removeStorageSync(key);
}
}
// 将缓存中的数据清空
export function clearStorage() {
try {
uni.clearStorageSync();
} catch (e) {
throw new Error('处理失败');
}
}
// 显示Toast
/*
@title 最多汉字数量7个
@icon success loading none
*/
export function Toast(title, icon = 'none', obj = {}, duration = 800) {
let toastData = {
title: title,
duration: duration,
position: 'center',
mask: true,
icon: icon ? icon : 'none',
...obj
};
uni.showToast(toastData);
}
/*
显示loading提示框,需要手动隐藏
*/
export function Loading(title = '正在加载...', obj = {}) {
uni.showLoading({
title: title,
mask: true,
...obj
});
}
// 隐藏loading
export function hideLoading() {
try {
uni.hideLoading();
} catch (e) {
//TODO handle the exception
throw new Error('处理失败');
}
}
// 模态框
/*
确定取消按钮的文字颜色可修改
obj 对象中传入 cancelColor : rgb 即可修改取消按钮颜色
obj 对象中传入 confirmColor : rgb 即可修改确认按钮颜色
*/
export function Modal(title = '提示', content = '这是一个模态弹窗!', obj = {
showCancel: true,
cancelText: '取消',
confirmText: '确定'
}) {
return new Promise((reslove, reject) => {
uni.showModal({
title: title,
content: content,
success: (res) => {
if (res.confirm) {
reslove()
}
if (res.cancel) {
reject()
}
}
});
})
}
/*
显示操作菜单
@itemList 操作菜单数组
@itemColor 文字颜色
*/
export function ActionSheet(itemList, itemColor = "#000000") {
return new Promise((reslove, reject) => {
uni.showActionSheet({
itemList: itemList,
itemColor: itemColor,
success: (res) => {
reslove(res.tapIndex);
},
fail: function(res) {
reject(res.errMsg);
}
});
})
}
//将页面滚动到目标位置。
export function ScrollTo(ScrollTop) {
uni.pageScrollTo({
scrollTop: ScrollTop,
duration: 300
})
}
// 获取用户信息
export function GetUserInfo() {
return new Promise((reslove, reject) => {
uni.getUserInfo({
success(res) {
console.log(res);
reslove(res);
},
fail(rej) {
reject(rej);
}
})
})
}
// 获取用户授权信息
export function Authorize(scoped = 'scope.userInfo') {
return new Promise((reslove, reject) => {
uni.authorize({
scope: scoped,
success(res) {
reslove(res);
},
fail(rej) {
reject(rej);
}
})
})
}
// 将对象转换成使用 & 连接的字符串
export function convertObj(opt) {
let str = '';
let arr = [];
Object.keys(opt).forEach(item => {
arr.push(`${item}=${opt[item]}`);
})
str = arr.join('&');
return str;
}
// 节流函数
// 节流函数
export function throttle(fn, delay) {
var lastArgs;
var timer;
var delay = delay || 200;
return function(...args) {
lastArgs = args;
console.log('没进来');
if(!timer){
console.log('进来了');
timer = setTimeout(()=>{
timer = null;
console.log('节----');
fn.apply(this, lastArgs);
}, delay);
}
}
}
// 调起相机
export function chooseImage(count) {
return new Promise((reslove, reject) => {
uni.chooseImage({
count: count, //默认9
sizeType: ['original', 'compressed'], //可以指定是原图还是压缩图,默认二者都有
sourceType: ['album', 'camera'], //从相册选择
success: (res) => {
reslove(res);
},
fail: (rej) => {
reject(rej);
}
});
})
}
//序列化对象和数组
export function serialize(data) {
if (data != null && data != '') {
try {
return JSON.parse(JSON.stringify(data));
} catch (e) {
if (data instanceof Array) {
return [];
}
return {};
}
}
return data;
}
Date.prototype.format = function(fmt) {
let o = {
'M+': this.getMonth() + 1, //月份
'd+': this.getDate(), //日
'h+': this.getHours(), //小时
'm+': this.getMinutes(), //分
's+': this.getSeconds(), //秒
'q+': Math.floor((this.getMonth() + 3) / 3), //季度
S: this.getMilliseconds() //毫秒
};
if (/(y+)/.test(fmt)) {
fmt = fmt.replace(RegExp.$1, String(this.getFullYear()).substr(4 - RegExp.$1.length));
}
for (let k in o) {
if (new RegExp('(' + k + ')').test(fmt)) {
fmt = fmt.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ('00' + o[k]).substr(String(o[k]).length));
}
}
return fmt;
};
//格式化日期
export function formatDate(nS, format) {
//日期格式化
if (!nS) {
return '';
}
format = format || 'yyyy-MM-dd hh:mm:ss';
return new Date(nS).format(format);
}
// 图片转base64
export function pathToBase64(path) {
return new Promise(function(resolve, reject) {
if (typeof window === 'object' && 'document' in window) {
if (typeof FileReader === 'function') {
var xhr = new XMLHttpRequest()
xhr.open('GET', path, true)
xhr.responseType = 'blob'
xhr.onload = function() {
if (this.status === 200) {
let fileReader = new FileReader()
fileReader.onload = function(e) {
resolve(e.target.result)
}
fileReader.onerror = reject
fileReader.readAsDataURL(this.response)
}
}
xhr.onerror = reject
xhr.send()
return
}
var canvas = document.createElement('canvas')
var c2x = canvas.getContext('2d')
var img = new Image
img.onload = function() {
canvas.width = img.width
canvas.height = img.height
c2x.drawImage(img, 0, 0)
resolve(canvas.toDataURL())
canvas.height = canvas.width = 0
}
img.onerror = reject
img.src = path
return
}
if (typeof plus === 'object') {
plus.io.resolveLocalFileSystemURL(getLocalFilePath(path), function(entry) {
entry.file(function(file) {
var fileReader = new plus.io.FileReader()
fileReader.onload = function(data) {
resolve(data.target.result)
}
fileReader.onerror = function(error) {
reject(error)
}
fileReader.readAsDataURL(file)
}, function(error) {
reject(error)
})
}, function(error) {
reject(error)
})
return
}
if (typeof wx === 'object' && wx.canIUse('getFileSystemManager')) {
wx.getFileSystemManager().readFile({
filePath: path,
encoding: 'base64',
success: function(res) {
resolve('data:image/png;base64,' + res.data)
},
fail: function(error) {
reject(error)
}
})
return
}
reject(new Error('not support'))
})
}
// 获取本周的第一天
export function showWeekFirstDay() {
var date = new Date();
var weekday = date.getDay() || 7; //获取星期几,getDay()返回值是 0周日 到 6周六 之间的一个整数。0||7为7即weekday的值为1-7
date.setDate(date.getDate() - weekday + 1); //往前算weekday-1年份、月份会自动变化
return formatDate(date, 'yyyy-MM-dd');
}
// 获取本月第一天
export function showMonthFirstDay() {
var MonthFirstDay = new Date().setDate(1);
return formatDate(new Date(MonthFirstDay).getTime(), 'yyyy-MM-dd');
}
var now = new Date(); //当前日期
var nowMonth = now.getMonth(); //当前月
var nowYear = now.getYear(); //当前年
nowYear += (nowYear < 2000) ? 1900 : 0; //
//获得本季度的开始月份
function getQuarterStartMonth() {
var quarterStartMonth = 0;
if(nowMonth < 3) {
quarterStartMonth = 0;
}
if(2 < nowMonth && nowMonth < 6) {
quarterStartMonth = 3;
}
if(5 < nowMonth && nowMonth < 9) {
quarterStartMonth = 6;
}
if(nowMonth > 8) {
quarterStartMonth = 9;
}
return quarterStartMonth;
}
//或的本季度的结束日期
//获得本季度的开始日期
export function getQuarterStartDate() {
var quarterStartDate = new Date(nowYear, getQuarterStartMonth(), 1);
return formatDate(quarterStartDate, 'yyyy-MM-dd');
}
// 删除数组中重复数据
export function unique(data) {
data = data || [];
var n = {};//存放新的数据
for(var i = 0; i < data.length; i++) {
var v = JSON.stringify(data[i]);
if(typeof (v) == "undefined") {
n[v] = 1;
}
}
data.length = 0;
for(var i in n) {
data[data.length] = i;
}
return data;
}