简书不能发布隐藏文章吗？，公开就公开了吧
{
// -------------------------------------------------------------
//生成上下150年的年份列表
yearList:
new Array(150+1).fill(0).map((e,i,a)=>new Date().getFullYear()-((a.length/2)>>0)+i+"年"),
// -------------------------------------------------------------
//生成月份列表
monthList:new Array(12).fill(0).map((e,i)=>i+1+"月")
/**
* -------------------------------------------------------------
* 错误信息提取
* @param err
* @returns {*|string|string}
*/
trimErrorMessage(err){
if(!err) {
return "未知错误"
}
if(err.data) {
err = err.data;
try{
err = JSON.parse(err);
}catch(e){/*console.log();*/}
}
var text = ""
|| err.error || err.errorText
|| err.message || err.msg
|| err.statusText || err
;
return text;
},
/**
* 描述太难，看例子
* let retryAjax = retry({times:10,duration:1000});
* retryAjax($.get,["/user",{id:1053256}])
* .then(resp={
* //10次内，有一次成功就会进入成功
* })
* .catch(resp=>{
* //重试10次，显示第10次的错误
* })
* ;
* @param genOptions
* @returns {Function}
*/
retry(genOptions){
const defaultOptions = {
scope:null,
times:5,
duration:1000,
retryCallback(error, times){}
}
/**
* function(thenable,options)
* function(thenable,options,args)
* function(thenable,args)
*/
return function(thenable,options,args){
if(Array.isArray(options)) {
args = options;
options = undefined;
}
options = Object.assign({},defaultOptions,genOptions,options);
let counter = 0;
return new Promise((resolve,reject)=>{
function retry(){
thenable.apply(options.scope,args||[])
.then(resolve)
.catch(resp=>{
counter++;
options.retryCallback(resp,counter);
if(counter<options.times) {
setTimeout(retry,options.duration)
}else{
reject(resp)
}
})
;
}
retry();
})
}
},
/**
* -------------------------------------------------------------
* 重复执行stepHandler，达成这3中条件为止，结束重复
* 1. !!stepHandler()==true
* 2. times>0时，times表示重复执行最大时间毫秒数,时间耗尽停止重复
* 3. times<0,times表示重复执行的最大次数,次数耗尽停止
* @param interval 重复执行setp的间隔，默认90ms
* @param times 重复执行最大次数的定义，避免一直重复下去
* times>0 表示重复执行多久时间。单位毫秒
* times<0 表示重复执最大多少次，单位 次
* @param stepHandler 被重复执行的函数，如果该函数返回true停止重复
* function(flag){} //flag如果flag为true，
* 表示为重复执行时间已经到，或者重复执行的次数已到
*/
runUntil(interval,times,stepHandler){
var time_mode = false;
if(typeof interval == "function") {
times = 0;
stepHandler = interval;
interval = 90;
}else if(typeof interval == "number" && typeof times == "function"){
stepHandler = times;
times = 0;
}
var interval = setInterval(function () {
if(stepHandler()){
clearInterval(interval);
}
if(judge()){
clearInterval(interval);
stepHandler(true);
}
}, interval);
var now = new Date().getTime();
function judge(){
if(times<0){
times ++ ;
if(times === 0){
return true;
}
}else if(times>0){
if(new Date().getTime() - now > times ){
return true;
}
}
}
}
//-------------------------------------------------------------
// 独立的除抖函数
// Returns a function, that, as long as it continues to be invoked, will not
// be triggered. The function will be called after it stops being called for
// N milliseconds. If `immediate` is passed, trigger the function on the
// leading edge, instead of the trailing.
debounce(func, wait, immediate) {
var timeout;
return function() {
var context = this, args = arguments;
var later = function() {
timeout = null;
if (!immediate) func.apply(context, args);
};
var callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) func.apply(context, args);
};
},
//-------------------------------------------------------------
// 独立的节流函数
// Returns a function, that, when invoked, will only be triggered at most once
// during a given window of time. Normally, the throttled function will run
// as much as it can, without ever going more than once per `wait` duration;
// but if you'd like to disable the execution on the leading edge, pass
// `{leading: false}`. To disable execution on the trailing edge, ditto.
throttle(func, wait, options) {
var context, args, result;
var timeout = null;
var previous = 0;
if (!options) options = {};
var later = function() {
previous = options.leading === false ? 0 : Date.now();
timeout = null;
result = func.apply(context, args);
if (!timeout) context = args = null;
};
return function() {
var now = Date.now();
if (!previous && options.leading === false) previous = now;
var remaining = wait - (now - previous);
context = this;
args = arguments;
if (remaining <= 0 || remaining > wait) {
if (timeout) {
clearTimeout(timeout);
timeout = null;
}
previous = now;
result = func.apply(context, args);
if (!timeout) context = args = null;
} else if (!timeout && options.trailing !== false) {
timeout = setTimeout(later, remaining);
}
return result;
};
},
}
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