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273 lines
6.7 KiB
JavaScript
273 lines
6.7 KiB
JavaScript
// JavaScript Document<!--
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// 这里都是公用函数，挺多的...
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var
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// 获取元素
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$ = function(element) {
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return (typeof(element) == 'object' ? element : document.getElementById(element));
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},
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// 生成元素到refNode
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appendElement = function(tagName, Attribute, strHtml, refNode) {
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var cEle = document.createElement(tagName);
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// 属性值
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for (var i in Attribute){
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cEle.setAttribute(i, Attribute[i]);
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}
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cEle.innerHTML = strHtml;
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refNode.appendChild(cEle);
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return cEle;
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},
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// 获取元素坐标
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getCoords = function(node){
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var x = node.offsetLeft;
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var y = node.offsetTop;
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var parent = node.offsetParent;
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while (parent != null){
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x += parent.offsetLeft;
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y += parent.offsetTop;
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parent = parent.offsetParent;
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}
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return {x: x, y: y};
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},
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// 事件操作(可保留原有事件)
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eventListeners = [],
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findEventListener = function(node, event, handler){
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var i;
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for (i in eventListeners){
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if (eventListeners[i].node == node && eventListeners[i].event == event && eventListeners[i].handler == handler){
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return i;
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}
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}
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return null;
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},
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myAddEventListener = function(node, event, handler){
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if (findEventListener(node, event, handler) != null){
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return;
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}
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if (!node.addEventListener){
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node.attachEvent('on' + event, handler);
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}else{
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node.addEventListener(event, handler, false);
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}
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eventListeners.push({node: node, event: event, handler: handler});
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},
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removeEventListenerIndex = function(index){
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var eventListener = eventListeners[index];
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delete eventListeners[index];
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if (!eventListener.node.removeEventListener){
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eventListener.node.detachEvent('on' + eventListener.event,
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eventListener.handler);
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}else{
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eventListener.node.removeEventListener(eventListener.event,
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eventListener.handler, false);
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}
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},
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myRemoveEventListener = function(node, event, handler){
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var index = findEventListener(node, event, handler);
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if (index == null) return;
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removeEventListenerIndex(index);
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},
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cleanupEventListeners = function(){
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var i;
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for (i = eventListeners.length; i > 0; i--){
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if (eventListeners[i] != undefined){
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removeEventListenerIndex(i);
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}
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}
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};
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/*********************************************
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- POPHint 弹出提示框
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- By Mudoo 2008.5
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**********************************************/
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function popHint(obj, msg, initValues) {
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var
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_obj = $(obj),
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_objHint = $("popHint"),
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_msg = msg,
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_init = initValues;
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// 初始化失败...
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if(_obj==undefined || _msg==undefined || _msg=="") return;
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// 设置初始值
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_init = _init==undefined ? {_type : "wrong", _event : "click"} : _init;
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// obj如果不可见。设置弹出对象为obj父元素
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if(_obj.style.display=='none' || _obj.style.visibility=='hidden' || _obj.getAttribute('type')=='hidden') _obj = _obj.parentNode;
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var
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_type = null,
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_event = null,
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_place = getCoords(_obj),
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_marTop = null,
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_objText = $("popHintText"),
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// 初始化
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init = function() {
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_hint = _obj.getAttribute("hint");
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if(_hint=="false") return;
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// 有的时候initValues不为空.但是只设置一个值...避免发所错误.再次设置初始值...
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_type = _init._type==undefined ? "wrong" : _init._type;
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_type = _type.toLowerCase();
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_event = _init._event==undefined ? "click" : _init._event;
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_event = _event.toLowerCase();
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/*
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******************************************
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popHtml
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******************************************
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<div id="popHint">
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<div id="popHeader">
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<div class="popLeft"></div>
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<div id="popHintText"><span class=\"popIcon wrong></span>请输入您的用户名！</div>
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<div class="popRight"></div>
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</div>
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<div class="popAngle"><span></span></div>
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</div>
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*/
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// 好了.输出...
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var _Html = "<div id=\"popHeader\">" +
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" <div class=\"popLeft\"></div>" +
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" <div id=\"popHintText\"></div>" +
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" <div class=\"popRight\"></div>" +
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"</div>"+
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"<div class=\"popAngle\"><span></span></div>"
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if(_objHint==null) {
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_objHint = appendElement("div", {"id" : "popHint"}, _Html, document.body);
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_objHint.style.display = "none";
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_objText = $("popHintText");
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}
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show();
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},
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// 显示
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show = function() {
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_objHint.style.display = "";
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_marTop = _objHint.offsetHeight;
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_msg = "<span class=\"popIcon "+ _type +"\"></span>"+ _msg;
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_objText.innerHTML = _msg;
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_objHint.style.left = _place.x +"px";
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_objHint.style.top = (_place.y-_marTop+8) +"px";
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// 关闭触发事件
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switch(_event) {
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case "blur" :
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myAddEventListener(_obj, 'blur', hide);
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break;
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//default :
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case "click" :
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myAddEventListener(document, 'mousedown', hide);
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break;
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//这里可以自己扩展很多事件...
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}
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},
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// 关闭
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hide = function() {
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_objHint.style.display = "none";
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_objText.innerHTML = "";
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// 移除关闭触发事件
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myRemoveEventListener(_obj, 'blur', hide);
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myRemoveEventListener(document, 'mousedown', hide);
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};
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init();
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}
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//去左空格;
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function ltrim(s){
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return s.replace( /^\s*/, "");
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}
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//去右空格;
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function rtrim(s){
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return s.replace( /\s*$/, "");
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}
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//左右空格;
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function trim(s){
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return rtrim(ltrim(s));
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}
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//----------------------------判断输入的日期是否正确-----------------------------------
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function CheckDate(INDate)
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{ if (INDate=="")
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{return true;}
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subYY=INDate.substr(0,4)
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if(isNaN(subYY) || subYY<=0){
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return true;
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}
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//转换月份
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if(INDate.indexOf('-',0)!=-1){ separate="-"}
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else{
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if(INDate.indexOf('/',0)!=-1){separate="/"}
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else {return true;}
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}
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area=INDate.indexOf(separate,0)
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subMM=INDate.substr(area+1,INDate.indexOf(separate,area+1)-(area+1))
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if(isNaN(subMM) || subMM<=0){
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return true;
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}
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if(subMM.length<2){subMM="0"+subMM}
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//转换日
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area=INDate.lastIndexOf(separate)
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subDD=INDate.substr(area+1,INDate.length-area-1)
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if(isNaN(subDD) || subDD<=0){
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return true;
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}
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if(eval(subDD)<10){subDD="0"+eval(subDD)}
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NewDate=subYY+"-"+subMM+"-"+subDD
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if(NewDate.length!=10){return true;}
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if(NewDate.substr(4,1)!="-"){return true;}
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if(NewDate.substr(7,1)!="-"){return true;}
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var MM=NewDate.substr(5,2);
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var DD=NewDate.substr(8,2);
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if((subYY%4==0 && subYY%100!=0)||subYY%400==0){ //判断是否为闰年
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if(parseInt(MM)==2){
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if(DD>29){return true;}
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}
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}else{
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if(parseInt(MM)==2){
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if(DD>28){return true;}
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}
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}
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var mm=new Array(1,3,5,7,8,10,12); //判断每月中的最大天数
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for(i=0;i< mm.length;i++){
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if (parseInt(MM) == mm[i]){
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if(parseInt(DD)>31){return true;}
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}else{
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if(parseInt(DD)>30){return true;}
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}
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}
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if(parseInt(MM)>12){return true;}
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return false;}
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//---------------------------------------------------------------------------------
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//英文、数字、符号均为一个字节,汉字为两个。 因此结果为 6
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//判断字符的数目
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function len(s) {
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var l = 0;
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var a = s.split("");
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for (var i=0;i<a.length;i++) {
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if (a[i].charCodeAt(0)<299) {
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l++;
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} else {
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l+=2;
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}
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}
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return l;
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} |