下面是GridPanel的代码Ext.onReady(function(){
var ds = new Ext.data.Store({
proxy: new Ext.data.HttpProxy({
url:'http://127.0.0.1:7773/myFirst/Request.jsp',
method: 'GET',
prettyUrls: false
}),
autoDestroy: true,
reader: new Ext.data.JsonReader({
totalProperty: 'totalProperty',
root: 'root',
fields: [
{name: 'id'},
{name: 'name'},
{name: 'descn'}
]
})
});
var grid = new Ext.grid.GridPanel({
store: ds,
columns: [
{
header:'id',
width:70,
dataIndex:'id'
},
{
header:'name',
width:70,
dataIndex:'name'
},
{
header:'descn',
width:70,
dataIndex:'descn'
}
],
stripeRows: true,
height: 550,
width: 800,
title: 'Array Grid',
stateful: true,
stateId: 'grid',
renderTo:"grid-example"
});
ds.load({params:{start:1,limit:10}});
});
以下是服务器端Request.jsp <%
String start = request.getParameter("start");
String limit = request.getParameter("limit");
try {
int index = Integer.parseInt(start);
int pageSize = Integer.parseInt(limit);
String json = "{totalProperty:100,root:[";
for (int i = index; i < pageSize + index; i++) {
json += "{id:" + i + ",name:'name" + i + "',descn:'descn" + i + "'}";
if (i != pageSize + index - 1) {
json += ",";
}
}
json += "]}";
//response.getWriter().write(json);
//response.getWriter().flush();
out.println(json);
}
catch(Exception ex) {}
%>
Request.jsp返回的jsan数据:
{
totalProperty:100,
root:[
{id:2,name:'name2',descn:'descn2'},
{id:3,name:'name3',descn:'descn3'},
{id:4,name:'name4',descn:'descn4'},
{id:5,name:'name5',descn:'descn5'},
{id:6,name:'name6',descn:'descn6'}
]
}可以显示grid的界面,但是没有数据。
我直接使用上面的jsan数据grid可以显示。请问这是怎么回事呢???
var ds = new Ext.data.Store({
proxy: new Ext.data.HttpProxy({
url:'http://127.0.0.1:7773/myFirst/Request.jsp',
method: 'GET',
prettyUrls: false
}),
autoDestroy: true,
reader: new Ext.data.JsonReader({
totalProperty: 'totalProperty',
root: 'root',
fields: [
{name: 'id'},
{name: 'name'},
{name: 'descn'}
]
})
});
var grid = new Ext.grid.GridPanel({
store: ds,
columns: [
{
header:'id',
width:70,
dataIndex:'id'
},
{
header:'name',
width:70,
dataIndex:'name'
},
{
header:'descn',
width:70,
dataIndex:'descn'
}
],
stripeRows: true,
height: 550,
width: 800,
title: 'Array Grid',
stateful: true,
stateId: 'grid',
renderTo:"grid-example"
});
ds.load({params:{start:1,limit:10}});
});
以下是服务器端Request.jsp <%
String start = request.getParameter("start");
String limit = request.getParameter("limit");
try {
int index = Integer.parseInt(start);
int pageSize = Integer.parseInt(limit);
String json = "{totalProperty:100,root:[";
for (int i = index; i < pageSize + index; i++) {
json += "{id:" + i + ",name:'name" + i + "',descn:'descn" + i + "'}";
if (i != pageSize + index - 1) {
json += ",";
}
}
json += "]}";
//response.getWriter().write(json);
//response.getWriter().flush();
out.println(json);
}
catch(Exception ex) {}
%>
Request.jsp返回的jsan数据:
{
totalProperty:100,
root:[
{id:2,name:'name2',descn:'descn2'},
{id:3,name:'name3',descn:'descn3'},
{id:4,name:'name4',descn:'descn4'},
{id:5,name:'name5',descn:'descn5'},
{id:6,name:'name6',descn:'descn6'}
]
}可以显示grid的界面,但是没有数据。
我直接使用上面的jsan数据grid可以显示。请问这是怎么回事呢???
其他代码测下来没问题,Request.jsp仅返回json,不包含其他字符的话可以显示数据 .
这个文件里面还是不是有别的内容或注释?
没有问题,我直接用Request.jsp输出的内容有数据显示
我把Request.jsp和主页面放在服务器上的同一目录下,还是没有数据显示。
不知道同域是不是这个意思
html文件和Request.jsp放在同一目录下,url:'Request.jsp'也改过来了
但还是不能显示数据。咋回事捏??