商店的元数据将不会加载

| 我尝试通过元数据将字段配置加载到json存储。 json是:
{
   \"rows\":[
      {
         \"datev\":\"02.01.2011\",
         \"w1\":\"100\",
         \"w2\":\"200\"
      },
      {
         \"datev\":\"02.01.2011\",
         \"w1\":\"300\",
         \"w2\":\"50\"
      },
      {
         \"datev\":\"03.01.2011\",
         \"w1\":\"10\",
         \"w2\":\"450\"
      }
   ],
   \"metaData\":{
      \"fields\":[
         {
            \"name\":\"datev\"
         }
      ],
      \"root\":\"rows\"
   }
}
我的商店是:
var test = new Ext.data.JsonStore({
                  url: \'test.php\'    
           });
test.load();
元数据未加载。代码有什么问题?     
已邀请:
我认为您需要添加一个JSON阅读器
var reader = new Ext.data.JsonReader({
        fields: []
});

var store = new Ext.data.Store({
   nocache : true,
   reader : reader,
   autoLoad : true,
   remoteSort : true,
   proxy : new Ext.data.HttpProxy({
       url : \'/getjson?queryable=featureType&featureType=Electronic%20Device\',
       method : \'GET\'
   })
或许
var store = new Ext.data.JsonStore({
    url: \'somewhere\',
    fields: []
});
    
您没有指定Id属性,也没有指定Root属性。这是我的代码,希望对您有所帮助
var EStore = new Ext.data.JsonStore
    ({
      api: { read: \'getAssignedJobs\',
             create: \'createAssignedJobs\',
             update: \'updateAssignedJobs\'
     },
     root: \'jobData\',
     idProperty: \'Id\',
     autoSave: true,
     batch: false,
     successProperty: \'success\',
     writer: new Ext.data.JsonWriter({ encode: true, writeAllFields: true }),
     fields: [
        { name: \'Id\', type: \'int\' },
        { name: \'ResourceId\', mapping: \'fitter_id\', type: \'int\' },
        { name: \'StartDate\', type: \'date\', format: \'d/m/Y G:i\' },
        { name: \'EndDate\', type: \'date\', format: \'d/m/Y G:i\' },
        { name: \'status\', type: \'int\' },
        { name: \'job_id\', type: \'int\' }
     ]
});
    

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