1 using System.Web; HZYT.ExtJs.WebSite.App_Ashx.Demo 4 { Tree : IHttpHandler 6 { ProcessRequest(HttpContext context) 8 { 9 string strResult = @"[ 10 { text: '根下节点一[user图标]', leaf: true, iconCls: 'nodeicon' }, 11 { text: '根下节点二', leaf: true }, 12 { text: '根下节点三', leaf: false, children: [ 13 { text: '节点三子节点一', leaf: true }, 14 { text: '节点三子节点二', leaf: false, expanded: true, children: [ 15 { text: '节点三子节点二节点一', leaf: true }, 16 { text: '节点三子节点二节点二', leaf: true } 17 ] 18 } 19 ] 20 } ; 22 context.Response.Write(strResult); 23 } IsReusable 26 { { ; 30 } 31 } 32 } 33 }

2.效果如下：

user.gif小图标

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