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HomeWeb Front-endJS TutorialCCPry JS class library code_js object-oriented

Copy code The code is as follows:

function CCPry(){
//
// Determine the browser type
//
this.Browser ={
"isMozilla":(typeof document.implementation != 'undefined') && (typeof document.implementation.createDocument != 'undefined') && (typeof HTMLDocument!='undefined'),
"isIE":window.ActiveXObject ? true : false,
" isFirefox":navigator.userAgent.toLowerCase().indexOf("firefox")!=-1,
"isOpera":navigator.userAgent.toLowerCase().indexOf("opera")!=-1
};

//
//Return DOM object based on element ID
//
this.$Id=function(id){
return document.getElementById(id);
};
//
//Return the DOM object based on the element ID
//
this.Id=function(id){
var DomObjId=this.$Id(id );
if(!DomObjId){ throw new Error("No Object!");}
//Return or set the innerHTML attribute of the object
this.Html=function(html){
if(!this.IsUndefined(DomObjId.innerHTML))
{
if(!this.IsNull(html)){
DomObjId.innerHTML=html;
}
else{ return DomObjId .innerHTML };
}
else{ throw new Error("Object does not support the property innerHTML!");};
};
//Return or set the innerText property of the object
this.Text=function(text){
if(!this.IsUndefined(DomObjId.innerText))
{
if(!this.IsNull(text)){
DomObjId.innerText= text;
}
else{ return DomObjId.innerText };
}
else{ throw new Error("Object does not support the property innerText!");};
};
//Return or set the value attribute of the object
this.Val=function(val){
if(!this.IsUndefined(DomObjId.value))
{
if(!this. IsNull(val)){
DomObjId.value=val;
}
else{ return DomObjId.value };
}
else{ throw new Error("Object does not support the property value!");};
}
return this;
};

//
//Return the DOM object according to the element Name
//
this .$Name=function(name){
return document.getElementsByName(name);
};

//
//Determine whether the string is empty or null
/ /
this.IsNullOrEmpty=function( str ) {
if(str==null){
return true;
}
else{
if(str.lengthreturn true;
}
}
return false;
};
//
//Determine whether the string is empty
//
this.IsEmpty=function( str ) {
if(str.lengthreturn true;
}
return false;
};
//
//Determine whether the string is null
//
this.IsNull=function( str ) {
if(str==null){
return true;
}
return false;
};
//
//Determine whether it is a function
//
this.IsFunction=function( fn ) {
return typeof(fn)==" function";
};

//
//Judge whether it is an object
//
this.IsObject=function( fn ) {
return typeof(fn) ==="object";
};
//
//Determine whether it is a string
//
this.IsString=function( fn ) {
return typeof(fn )=="string";
};

//
//Determine whether it is a numeric type
//
this.IsNumber=function( fn ) {
return typeof(fn)=="number";
};

//
//Determine whether it is a Boolean type
//
this.IsBoolean=function( fn ) {
return typeof(fn)=="boolean";
};

//
//Determine whether it is undefined
//
this.IsUndefined=function ( fn ) {
return typeof(fn)=="undefined";
};

//
//Determine whether it is a date type
//
this .IsDate=function( fn ) {
return fn.constructor==Date;
};

//
//Return Ajax object
//
this. Ajax=function(s){

//Construct XMLHttpRequest object
GetXmlHttpRequest=function(){
var xmlHttpRequest;
if(window.XMLHttpRequest) { xmlHttpRequest = new XMLHttpRequest(); }
else if(window.ActiveXObject) {
try { xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP"); }
catch (e){ xmlHttpRequest = new ActiveXObject("Microsoft.XMLHTTP"); }
}
if (!xmlHttpRequest) {
alert("Failed to create XMLHttpRequest object");
return null;
}
return xmlHttpRequest;
};

//Default Ajax configuration
ajaxSettings={
url: "/ajax/ProcessAjax.ashx",
method: "POST",
timeout: 0,
mimeType: "application/x-www-form-urlencoded",
async: true,
data: null,
datatype: "html",
charset: "utf-8",
accepts : {
xml: "application/xml, text/xml",
html: "text/html",
script: "text/javascript, application/javascript",
json: "application /json, text/javascript",
text: "text/plain",
_default: "*/*"
},
///
/// Call function
///

OnStart:function(){
//start
},
///
/ //Callback function after successful request
///

/// Server returns data
OnSuccess:function(msg ){
//success
},
///
/// Operation exception call function
///

/// Exception information
OnException:function(msg){
//exception
},
///
/// 请求超时后调用函数
///

OnTimeout:function(){
//timeout
},
///
/// 请求完成后调用函数
///

OnComplate:function(){
//complate
}
};

if(this.IsObject(s)){

/*检测传入对象*/
ajaxSettings.url = (!this.IsUndefined(s.url) && this.IsString(s.url)) ? s.url : ajaxSettings.url;
ajaxSettings.method =(!this.IsUndefined(s.method) && this.IsString(s.method)) ? s.method : ajaxSettings.method;
ajaxSettings.timeout = (!this.IsUndefined(s.timeout) && this.IsNumber(s.timeout)) ? s.timeout : ajaxSettings.timeout;
ajaxSettings.mimeType= (!this.IsUndefined(s.mimeType) && this.IsString(s.mimeType)) ? s.mimeType : ajaxSettings.mimeType;
ajaxSettings.async = (!this.IsUndefined(s.async) && this.IsBoolean(s.async)) ? s.async : ajaxSettings.async;
ajaxSettings.data = (!this.IsUndefined(s.data) && this.IsString(s.data)) ? s.data : ajaxSettings.data;
ajaxSettings.datatype = (!this.IsUndefined(s.datatype) && this.IsString(s.datatype)) ? s.datatype: ajaxSettings.datatype;
ajaxSettings.charset =(!this.IsUndefined(s.charset) && this.IsString(s.charset)) ? s.charset: ajaxSettings.charset;
ajaxSettings.OnStart =(!this.IsUndefined(s.OnStart) && this.IsFunction(s.OnStart)) ? s.OnStart : ajaxSettings.OnStart;
ajaxSettings.OnSuccess =(!this.IsUndefined(s.OnSuccess) && this.IsFunction(s.OnSuccess)) ? s.OnSuccess : ajaxSettings.OnSuccess;
ajaxSettings.OnException=(!this.IsUndefined(s.OnException)&&this.IsFunction(s.OnException))?s.OnException:ajaxSettings.OnException;
ajaxSettings.OnTimeout = (!this.IsUndefined(s.OnTimeout) && this.IsFunction(s.OnTimeout)) ? s.OnTimeout : ajaxSettings.OnTimeout;
ajaxSettings.OnComplate=(!this.IsUndefined(s.OnComplate) && this.IsFunction(s.OnComplate)) ? s.OnComplate : ajaxSettings.OnComplate;

//赋值xmlhttp,传入XMLHttpRequest对象
var xmlhttp=GetXmlHttpRequest();
var requestDone=false;
try
{
//根据POST或GET方法判断xmlhttp.send()需要传入什么参数
if (ajaxSettings.data && ajaxSettings.method.toUpperCase() == "GET" ) {
ajaxSettings.url = (ajaxSettings.url.match(/?/) ? "&" : "?") ajaxSettings.data;
ajaxSettings.data = null;
}
xmlhttp.open(ajaxSettings.method,ajaxSettings.url,ajaxSettings.async);
xmlhttp.setRequestHeader("Content-Type", ajaxSettings.mimeType);
xmlhttp.setRequestHeader("X-Requested-With", "XMLHttpRequest"); // 设置标题表明一个XMLHttpRequest的请求
xmlhttp.setRequestHeader("Accept",ajaxSettings.datatype && ajaxSettings.accepts[ ajaxSettings.datatype ] ?ajaxSettings.accepts[ ajaxSettings.datatype ] ", */*" :ajaxSettings.accepts._default);
if(ajaxSettings.timeout>0){
var timer=setTimeout(function(){requestDone=true;xmlhttp.abort();},ajaxSettings.timeout);
}
var xmlreadystatechange=function ()
{
if(requestDone){ ajaxSettings.OnTimeout(); } //timeout
else if(xmlhttp.readyState==4) //success
{
if (timer) { clearTimeout(timer); timer = null;}
if (xmlhttp.status==200 || xmlhttp.status=="success")
{
switch(ajaxSettings.datatype.toLowerCase())
{
case "html":
ajaxSettings.OnSuccess(xmlhttp.responseText);
break;
case "xml":
ajaxSettings.OnSuccess(xmlhttp.responseXML);
break;
}
}
ajaxSettings.OnComplate(); //complate
if (ajaxSettings.async&&xmlhttp){ xmlhttp=null; }
}
else{ajaxSettings.OnStart();} //start
}
xmlhttp.onreadystatechange=xmlreadystatechange;
xmlhttp.send(ajaxSettings.data);
if (!ajaxSettings.async){ xmlreadystatechange();xmlhttp=null; }
}
catch(e){
ajaxSettings.OnException(e.message); //exception
}
}
return this;
}
//
// 拆分JSON对象并以特定符号连接组成字符串
//
this.SplitJson=function(jsonObj,splitSign){

var jsonStr='',signLastIndex;
for (jo in jsonObj)
{
jsonStr = (jo "=" jsonObj[jo] splitSign) ;
}
signLastIndex=jsonStr.lastIndexOf(splitSign);
if(signLastIndex!=-1){
jsonStr=jsonStr.substring(0,signLastIndex);
}
return jsonStr;
}
//
// JS图片缩略
//
this.DrawImage=function(ImgD,iwidth,iheight){
var flag=false;
var image=new Image();
image.src=ImgD.src;
if(image.width>0 && image.height>0)
{
flag=true;
if(image.width/image.height>= iwidth/iheight)
{
if(image.width>iwidth)
{
ImgD.width=iwidth;
ImgD.height=(image.height*iwidth)/image.width;
}
else
{
ImgD.width=image.width;
ImgD.height=image.height;
}
}
else
{
if(image.height>iheight)
{
ImgD.height=iheight;
ImgD.width=(image.width*iheight)/image.height;
}
else
{
ImgD.width=image.width;
ImgD.height=image.height;
}
}
}
}
//
// Intercept the string and include Chinese processing
//
this.SubString=function(str, len, hasDot){
var newLength = 0;
var newStr = "";
var chineseRegex = /[^x00-xff]/g;
var singleChar = "";
var strLength = str.replace (chineseRegex,"**").length;
for(var i = 0;i {
singleChar = str.charAt(i).toString();
if(singleChar.match(chineseRegex) != null)
{
newLength = 2;
}
else
{
newLength ;
}
if( newLength > len)
{
break;
}
newStr = singleChar;
}
if(hasDot && strLength > len)
{
newStr = "";
}
return newStr;
}
//
// Replace all
//
this.ReplaceAll=function(Str,oldString,newString){
return Str.replace(new RegExp(oldString,"gm"),newString);
},
//
// Get URL parameters, if invalid, return undfined
//
this.RequestQueryString=function(url){
var qIndex=url.indexOf('?');
var queryObj={};
if(qIndex!=-1){
var queryStr=url.substring(qIndex 1,url.length);
if(queryStr.indexOf('&')!=-1){
var arrQuery = new Array();
arrQuery=queryStr .split('&');
for(arrStr in arrQuery){
paramKey=arrQuery[arrStr].substring(0,arrQuery[arrStr].indexOf("=")).toLowerCase();
paramValue=arrQuery[arrStr].substring(arrQuery[arrStr].indexOf("=") 1,arrQuery[arrStr].length);
queryObj[paramKey]=paramValue
}
}
else{
paramKey=queryStr.substring(0,queryStr.indexOf("=")).toLowerCase();
paramValue=queryStr.substring(queryStr.indexOf("=") 1,queryStr. length);
queryObj[paramKey]=paramValue;
}
}
return queryObj;
}
}
window.$CC=new CCPry();

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