Ext.data.JsonP.request({
url:fixReleaseService,
async: false,
params: {para: Ext.encode([statDt,para])},
callbackKey: "callBack1",
callbackName: "callBack1",
success:callBack,
callBack:function(d){
alert(d);
},
failure: function (d) {
alert('请求失败!'+ d);
Ext.getBody().unmask();
}
});
后台 java代码:response.getWriter().println("callBack1({})");