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[原] jquery-easyui的combotree在.net开发中不显示数据的问题
最近使用，遇到一个问题。
一搜索，发现好多人在问：
问题见：http://jquery-/forum/t-248817/combotree-net
“combotree在.net开发中，一直不显示数据。
单独html页面就可以显示出来。同一数据文件，json格式绝对正确。”
解决问题首先要发现原因，用firebug试了一下，发现是combotree读取json的时候是用POST方法。
而.net环境不支持静态文件用POST方法获取内容。错误如下：
POST app_user.js
http://localhost:9655/js/app_user.js
405 Method Not Allowed
POST app_user.jshttp://localhost:9655/js/app_user.js405 Method Not Allowed
发现原因后，解决问题就简单很多。
找到easyui的js代码：
_41.addClass("tree-loading");
$.ajax({type:"post",url:_3e.url,data:_3c,dataType:"json",success:function(_42){
_41.removeClass("tree-loading");
_41.addClass("tree-loading");$.ajax({type:"post",url:_3e.url,data:_3c,dataType:"json",success:function(_42){_41.removeClass("tree-loading");
在我的应用中，因为不需要POST方式获取json，就把type:”post”改为type:”get”即可。
已在easyui的官方论坛中说明这个问题，希望以后能多个method的设置选项。
新版本jquery-easyui 1.2.1提供了tree组件的method方法设置，但是在用css自动解析方式时无效。
即通过《input class=”easyui-combotree” url=”…js” method=”get” /》调用时，仍然使用POST。
查看代码，原来是这里parseOptions时未对method进行解析：
$.fn.tree.parseOptions=function(_13c){
var t=$(_13c);
return {url:t.attr("url"),...
//加上对method的解析：
return {url:t.attr("url"),method:(t.attr("method")?t.attr("method"):"post"),...
$.fn.tree.parseOptions=function(_13c){var t=$(_13c);return {url:t.attr("url"),...&//加上对method的解析：return {url:t.attr("url"),method:(t.attr("method")?t.attr("method"):"post"),...
问题解决。
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