原生javascript实现简单的datagrid数据表格_javascript技巧

1.排序 自定义排序方式

2.编辑

3.拖拽

4.分页

5.单选 多选(ctrl) 线性选(shift)

6.文字render 就是给文字着色 比如 大于0红色 小于0绿色

7.对列的显示隐藏

8.分组

只是一个示例 没有什么与后台的借口

其实可以写几个回调就行了 里面有loading条 可以在没返回结果前一直显示

代码如下:








1.排序 自定义排序方式


2.编辑


3.拖拽


4.分页


5.单选 多选(ctrl) 线性选(shift)


6.文字render 就是给文字着色 比如 大于0红色 小于0绿色


7.对列的显示隐藏


8.分组

下面是分组的 且有一个自定义排序方式 很好 一般 很差

(function(doc,undefined){
var win = this;
win.Sys = function (ua){
var b = {
ie: /msie/.test(ua) && !/opera/.test(ua),
opera: /opera/.test(ua),
safari: /webkit/.test(ua) && !/chrome/.test(ua),
firefox: /firefox/.test(ua),
chrome: /chrome/.test(ua)
},vMark = "";
for (var i in b) {
if (b[i]) { vMark = "safari" == i ? "version" : i; break; }
}
b.version = vMark && RegExp("(?:" + vMark + ")[\\/: ]([\\d.]+)").test(ua) ? RegExp.$1 : "0";
b.ie6 = b.ie && parseInt(b.version, 10) == 6;
b.ie7 = b.ie && parseInt(b.version, 10) == 7;
b.ie8 = b.ie && parseInt(b.version, 10) == 8;
return b;
}(win.navigator.userAgent.toLowerCase());

win.Sys.ie6&&doc.execCommand("BackgroundImageCache", false, true);

win.$$ = function(id){
return typeof id === 'string'
? doc.getElementById(id)
: id;
};
win.$q = function(name,parent){
return parent.getElementsByTagName(name);
}
win.$c = function(name,parent){
var elem = typeof name ==='object'? name : doc.createElement(name);
parent&&parent.appendChild(elem);
return elem;
};

win.addListener = function(element,e,fn){
!element.events&&(element.events = {});
element.events[e]&&(element.events[e][addListener.guid++]=fn)||(element.events[e] = {'0':fn});
element.addEventListener?element.addEventListener(e,fn,false):element.attachEvent("on" + e,fn);
};
win.addListener.guid = 1;
win.removeListener = function(element,e,fn){
var handlers = element.events[e],type;
if(fn){
for(type in handlers)
if(handlers[type]===fn){
element.removeEventListener?element.removeEventListener(e,fn,false):element.detachEvent("on" + e,fn);
delete handlers[type];
}
}else{
for(type in handlers){
element.removeEventListener?element.removeEventListener(e,handlers[type],false):element.detachEvent("on" + e,handlers[type]);
delete handlers[type];
}
}
};
win.fireEvent = function(element,eventName){
if(element[eventName]){
element[eventName]();
}else if(element.fireEvent){
element.fireEvent('on'+eventName);
}else if(doc.createEvent){
var evt = doc.createEvent("MouseEvents");
evt.initEvent(eventName, true, true);
element.dispatchEvent(evt);
}
};
win.setStyle = function(elems, style, value){
if( !elems.length ) elems = [elems];
if( typeof style == "string"){
style = value === undefined?{cssText:style}:(function(o){
return (o[style] = value,o);
})({});
};
each(elems,function(i,elem,style){
var value,name,ie=Sys.ie ;
for(name in style){
value = style[name];
if (name === "opacity" && ie) {
elem.style.filter = (elem.currentStyle.filter || "").replace( /alpha\([^)]*\)/, "" ) + "alpha(opacity=" + value * 100 + ")";
}else if(name === "float"){
elem.style[ ie ? "styleFloat" : "cssFloat" ] = value;
}else{
name = name.replace(/-([a-z])/ig, function(all, letter){
return letter.toUpperCase();
});
elem.style[name] = value;
}
}
},style);
};
win.setAttr = function(dom,attr){
if(typeof attr !== 'object')
return;
for(var name in attr)
dom.setAttribute(name,attr[name]);
}

var slice = Array.prototype.slice;
win.bind = function(object, fun) {
var args = slice.call(arguments).slice(2);
return function() {
return fun.apply(object, args);
};
};

win.bindAsEventListener = function(object, fun,args) {
var args = slice.call(arguments).slice(2);
return function(event) {
return fun.apply(object, [event || win.event].concat(args));
}
};
win.extend = function(){
var target = arguments[0] || {}, i = 1, length = arguments.length, deep = true, options;
if ( typeof target === "boolean" ) {
deep = target;
target = arguments[1] || {};
i = 2;
}
if ( typeof target !== "object" && Object.prototype.toString.call(target)!="[object Function]")
target = {};
for(;i if ( (options = arguments[ i ]) != null )
for(var name in options){
var src = target[ name ], copy = options[ name ];
if ( target === copy )
continue;
if ( deep && copy && typeof copy === "object" && !copy.nodeType ){
target[ name ] = arguments.callee( deep, src || ( copy.length != null ? [ ] : { } ), copy );
}
else if(copy !== undefined)
target[ name ] = copy;
}
}
return target;
};

win.Class = function(properties){
var _class = function(){
return (arguments[0] !== null && this.initialize && typeof(this.initialize) == 'function')
? this.initialize.apply(this, arguments)
: this;
};
_class.prototype = properties;
return _class;
};
win.each = function ( object, callback, args ) {
var name, i = 0, length = object.length;
if ( args ) {
args = Array.prototype.slice.call(arguments).slice(2);
if ( length === undefined ) {
for ( name in object )
if ( callback.apply( object[ name ],[name,object[ name ]].concat(args) ) === false )
break;
} else
for ( ; i < length; i++)
if ( callback.apply( object[ i ],[i,object[ i ]].concat(args)) === false ) //
break;
} else {
if ( length === undefined ) {
for ( name in object )
if ( callback.call( object[ name ], name, object[ name ] ) === false )
break;
} else
for ( var value = object[0];
i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
}
return object;
};
win.currentStyle = function(element){
return element.currentStyle || doc.defaultView.getComputedStyle(element, null);
};
win.objPos = function(elem){
var left = 0, top = 0, right = 0, bottom = 0,doc = elem ? elem.ownerDocument : doc;
if ( !elem.getBoundingClientRect || win.Sys.ie8 ) {
var n = elem;
while (n) { left += n.offsetLeft, top += n.offsetTop; n = n.offsetParent; };
right = left + elem.offsetWidth; bottom = top + elem.offsetHeight;
} else {
var rect = elem.getBoundingClientRect();
left = right = doc.documentElement.scrollLeft || doc.body.scrollLeft;
top = bottom = doc.documentElement.scrollLeft || doc.body.scrollLeft;
left += rect.left; right += rect.right;
top += rect.top; bottom += rect.bottom;
}
return { "left": left, "top": top, "right": right, "bottom": bottom };
};
win.contains = function(k,j){
return document.compareDocumentPosition
? k.compareDocumentPosition(j)&16
: k!==j&&k.contains(j);
};
win.hasClass = function(element, className){
return element.className.match(new RegExp('(\\s|^)'+className+'(\\s|$)'));
};
win.addClass = function(element, className){
if(!win.hasClass(element, className))
element.className.replace(/\s/g,'')===''
? element.className = className
: element.className+= " "+className;
};
win.removeClass = function(element, className){
win.hasClass(element, className)&&(element.className = element.className.replace(new RegExp('(\\s*|^)'+className+'(\\s*|$)'),' '));
}
})(document);
(function(doc,undefined){
var win = this,
uuid = -1;
/*
检查 字符串 中是否有key
如果有 且key后面是- 返回-后面的东西 否则返回true
检测不到返回false
*/
function checkReg(str,key){
var reg = new RegExp('(?:^|\\s)'+key+'\\b-?(.*?)(?:\\s|$)','i');
if(reg.exec(str)!=null){
return RegExp.$1===''?true:RegExp.$1;
}else{
return false;
}
};
/*
修改字符串中key对应的value
*/
function modify(str,key,value){
var reg = new RegExp('(^|\\s)('+key+'\\b-).*?(\\s|$)','i');
return str.replace(reg,'$1$2'+value+'$3');
};
win.easyGrid = new Class({
options : {
perPage : 10,
currPage : 0,
totalPage : 0,
count : 10,
page : 0,
isEdit : false,
widthConfig : {
td : null,
prevTd : null,
x : 0,
tdWidth : 0,
prevWidth: 0
},
cellMinWidth : 50,
sortType : {
int : function(v){return parseInt(v)},
float : function(v){return parseFloat(v)},
date : function(v){return v.toString()},
string : function(v){return v.toString()}
},
title : '标题'
},
initialize : function(options){
var op = extend(true,{},this.options),
options = this.defaults = extend(op,options),
container = this.container = $c('div',options.container),
dataConfig = options.dataConfig,
title = $c('div',container);
container.className = 'container';
title.innerHTML = options.title;
title.className = 'title';
this.primaryKey = options.primaryKey;
this.top = $c('div',container);
this.top.className = 'bar';
this.top.innerHTML = '跳转删除当前第页　总共页　一页条数据　共条数据';
var tabContainer = this.tabContainer = $c('div',container);
this.bottom = $c(this.top.cloneNode(true),container);
tabContainer.className = 'tabcontainer';
tabContainer.style.height = ~~options.container.offsetHeight - 83+'px';
var table = this.table = $c('table',tabContainer);
table.className = 't_a';
setAttr(table,{cellpadding :"0",cellspacing:"0",border :"0"});
this.thead = $c('thead',table);
this.tbody = $c('tbody',table);
this.tbody.style.display = 'none';
//loading条
this.loading_bg = $c('div',container);
this.loading_bg.className = 'loading';
setStyle(this.loading_bg,{
width : container.offsetWidth+2+'px',
height : container.offsetHeight+2+'px'
});

this.loading = $c('div',container);
this.loading.className ='loaddiv'
setStyle(this.loading,{
left:(container.offsetWidth/2-45) + 'px',
top:(container.offsetHeight/2-14) + 'px'
});
this.loading.innerHTML = 'Loading...';

//表格有多少列
this.colCount = options.fields.length;
// 数据源 形式是 [[],[],[],[],[],[]]
this.data = [];
// 当前请求到的数据源中 所有的分组头 形式是 [trdom1,trdom2]
this.grouphead = [];
//记录已经插入table的分组的tr [tr1,tr2,tr3]
this.insertTrs = [];
//列索引
//形式 [[td11,td12,td13,td14],[td21,td22,td23,td24]]
this.columns = [];

//true表示正序 false表示反序
this.ascSort = true;

//保存哪一列正在排序中的表头td
this.sortColumn = '';

//所有tr行 如果没有分组 形式是[tr1,tr2,tr3,tr4]
//如果有分组 [[tr1,tr2,tr3,tr4],[tr5,tr6,tr7,tr8]]
this.rows =[];

//一级菜单
this.popMenu = $c('div',doc.body);
this.popMenu.className = 'x-menu';
this.popMenu.innerHTML = '