jProviderData
代码如下:
/// <reference path="jUtil.js" />
$j = jQuery.noConflict();
(function ($j) {
$j.providerData={
defaultSettings: {
select_Span_Items: false,
select_TD_Items: false,
select_LI_Items: false
},
init:function(options){
opts = $j.extend({}, $j.providerData.defaultSettings, options);
singleItemJsonFormat='"{0}":"{1}"';
divItemFormat='{{0}}';
tableItemFormat='{0}';
},
getDataName:function(item){
var dataName = item.attr("dataname");
if(typeof dataName === 'undefined'||dataName==""){
dataName = item.attr("Id");
}
if(typeof dataName === 'undefined'||dataName==""){
dataName=item.text();
}
if(typeof dataName === 'undefined'||dataName==""){
dataName=item[0].innerText;
}
return dataName;
},
getData:function(selector){
//var selector=opts.selector;
var items;
if(typeof selector!=="object"){
items=$j(selector);
}
else{
items=selector;
}
var retJsonValue="";
var subSelector=":input";
if (opts.select_Span_Items) {
subSelector = subSelector + ",span";
}
if (opts.select_LI_Items) {
subSelector = subSelector + ",li";
}
if(opts.select_TD_Items){
subSelector = subSelector + ",td";
}
$j.each(items,function(i,item){
var t=$j(this);
var dataName=$j.providerData.getDataName(t);
//return:'{"dataname":"value"}'
if($j.util.isInput(t)){
var value=t.val();
var itemStr= String.format(singleItemJsonFormat,dataName,value);
retJsonValue=retJsonValue+itemStr+",";
retJsonValue=retJsonValue.trimEnd(",");
}
//return:'{"dataname1":"value1","dataname2":"value2"}'
else if($j.util.isDiv(t)){
var subItems = t.find(subSelector);
var subStr = "";
$j.each(subItems, function (i, subItem) {
//递归调用 处理子元素
var tempSubItemStr = $j.providerData.getData("#"+$j(this).attr("id"));
subStr = subStr + "," + tempSubItemStr;
})
subStr=subStr.trimStart(",");
retJsonValue=String.format(divItemFormat,subStr);
}
//return:'[{"dataname1":"value1","dataname2":"value2"},{"dataname1":"value3","dataname2":"value4"}]'
else if($j.util.isTable(t)){
var trItems=t.find("TR:gt(0)");
//迭代处理Table中的每一行
$j.each(trItems,function(i,trItem){
//处理行,找出行中的要收集数据的元素
var subItems =$j(this).find(subSelector);
var subStr = "";
//迭代处理行中所有需要收集数据的元素
$j.each(subItems,function(i,subItem){
if($j.util.isInput($j(this))){
var tempSubItemStr = $j.providerData.getData("#"+$j(this).attr("id"));
subStr = subStr + "," + tempSubItemStr;
}
else{
//如果是TD元素,且他里面不包含INPUT元素
if( $j.util.isTD($j(this)) && ($j(this).find(":input").length==0)){
var tempSubItemStr = $j.providerData.getData($j(this));
subStr = subStr + "," + tempSubItemStr;
}
}
});
subStr=subStr.trimStart(",");