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Thread: How can i access the meta data in jsonreader

  1. #1

    Default How can i access the meta data in jsonreader

    First, i create json data in my server
    PHP Code:
    {"CpuUsage":15,"MemUsed":697,"totalCount":67,"MemAll":894,"topics":[{"proName":"System","userName":"SYSTEM","memSzie":36864,"cpuRate":0,"proPID":4,"priority":0},{"proName":"smss.exe","userName":"SYSTEM","memSzie":53248,"cpuRate":0,"proPID":872,"priority":0},{"proName":"csrss.exe","userName":"SYSTEM","memSzie":2703360,"cpuRate":0,"proPID":912,"priority":0},{"proName":"winlogon.exe","userName":"SYSTEM","memSzie":966656,"cpuRate":0,"proPID":940,"priority":0},{"proName":"services.exe","userName":"SYSTEM","memSzie":1134592,"cpuRate":0,"proPID":984,"priority":0},{"proName":"lsass.exe","userName":"SYSTEM","memSzie":1110016,"cpuRate":0,"proPID":996,"priority":0},{"proName":"ati2evxx.exe","userName":"SYSTEM","memSzie":86016,"cpuRate":0,"proPID":1172,"priority":0},{"proName":"svchost.exe","userName":"SYSTEM","memSzie":200704,"cpuRate":0,"proPID":1192,"priority":0},{"proName":"svchost.exe","userName":"NETWORK SERVICE","memSzie":200704,"cpuRate":0,"proPID":1268,"priority":0},{"proName":"svchost.exe","userName":"SYSTEM","memSzie":200704,"cpuRate":0,"proPID":1708,"priority":0},{"proName":"ati2evxx.exe","userName":"SYSTEM","memSzie":86016,"cpuRate":0,"proPID":1932,"priority":0},{"proName":"svchost.exe","userName":"NETWORK SERVICE","memSzie":200704,"cpuRate":0,"proPID":1940,"priority":0},{"proName":"svchost.exe","userName":"LOCAL SERVICE","memSzie":200704,"cpuRate":0,"proPID":2040,"priority":0},{"proName":"spoolsv.exe","userName":"SYSTEM","memSzie":81920,"cpuRate":0,"proPID":552,"priority":0},{"proName":"scardsvr.exe","userName":"LOCAL SERVICE","memSzie":73728,"cpuRate":0,"proPID":604,"priority":0},{"proName":"explorer.exe","userName":"Administrator","memSzie":6537216,"cpuRate":0,"proPID":468,"priority":0},{"proName":"svchost.exe","userName":"LOCAL SERVICE","memSzie":200704,"cpuRate":0,"proPID":1044,"priority":0},{"proName":"jqs.exe","userName":"SYSTEM","memSzie":1441792,"cpuRate":0,"proPID":1356,"priority":0},{"proName":"FrameworkService.exe","userName":"SYSTEM","memSzie":823296,"cpuRate":0,"proPID":1392,"priority":0},{"proName":"Mcshield.exe","userName":"SYSTEM","memSzie":5218304,"cpuRate":0,"proPID":1528,"priority":0},{"proName":"naPrdMgr.exe","userName":"SYSTEM","memSzie":274432,"cpuRate":0,"proPID":1536,"priority":0},{"proName":"shstat.exe","userName":"Administrator","memSzie":552960,"cpuRate":0,"proPID":1548,"priority":0},{"proName":"UpdaterUI.exe","userName":"Administrator","memSzie":499712,"cpuRate":0,"proPID":1556,"priority":0},{"proName":"TBMon.exe","userName":"Administrator","memSzie":106496,"cpuRate":0,"proPID":1564,"priority":0},{"proName":"360tray.exe","userName":"Administrator","memSzie":2691072,"cpuRate":0,"proPID":1616,"priority":0},{"proName":"TSVNCache.exe","userName":"Administrator","memSzie":1736704,"cpuRate":0,"proPID":1628,"priority":0},{"proName":"vmware-tray.exe","userName":"Administrator","memSzie":585728,"cpuRate":0,"proPID":1780,"priority":0},{"proName":"jusched.exe","userName":"Administrator","memSzie":40960,"cpuRate":0,"proPID":1792,"priority":0},{"proName":"ctfmon.exe","userName":"Administrator","memSzie":303104,"cpuRate":0,"proPID":1868,"priority":0},{"proName":"VsTskMgr.exe","userName":"SYSTEM","memSzie":368640,"cpuRate":0,"proPID":1900,"priority":0},{"proName":"ram.exe","userName":"Administrator","memSzie":2449408,"cpuRate":0,"proPID":460,"priority":0},{"proName":"Foxmail.exe","userName":"Administrator","memSzie":5431296,"cpuRate":0,"proPID":1724,"priority":0},{"proName":"conime.exe","userName":"Administrator","memSzie":241664,"cpuRate":0,"proPID":1264,"priority":0},{"proName":"firefox.exe","userName":"Administrator","memSzie":257634304,"cpuRate":28,"proPID":1776,"priority":0},{"proName":"python.exe","userName":"Administrator","memSzie":966656,"cpuRate":0,"proPID":2116,"priority":0},{"proName":"alg.exe","userName":"LOCAL SERVICE","memSzie":151552,"cpuRate":0,"proPID":3616,"priority":0},{"proName":"Uedit32.exe","userName":"Administrator","memSzie":2338816,"cpuRate":0,"proPID":3120,"priority":0},{"proName":"iexplore.exe","userName":"Administrator","memSzie":4919296,"cpuRate":0,"proPID":3404,"priority":0},{"proName":"mdm.exe","userName":"Administrator","memSzie":286720,"cpuRate":0,"proPID":200,"priority":0},{"proName":"wnwb.exe","userName":"Administrator","memSzie":471040,"cpuRate":0,"proPID":1488,"priority":0},{"proName":"eclipse.exe","userName":"Administrator","memSzie":217088,"cpuRate":0,"proPID":4072,"priority":0},{"proName":"javaw.exe","userName":"Administrator","memSzie":63479808,"cpuRate":0,"proPID":2852,"priority":0},{"proName":"notepad.exe","userName":"Administrator","memSzie":61440,"cpuRate":0,"proPID":3448,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":676,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":2476,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":4008,"priority":0},{"proName":"FOXITR~1.EXE","userName":"Administrator","memSzie":2621440,"cpuRate":0,"proPID":648,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":1080,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":1372,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":1580,"priority":0},{"proName":"navicat.exe","userName":"Administrator","memSzie":126976,"cpuRate":0,"proPID":784,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":1588,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":3076,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":2360,"priority":0},{"proName":"ConfEnv.exe","userName":"Administrator","memSzie":65536,"cpuRate":0,"proPID":2860,"priority":0},{"proName":"Uni32.exe","userName":"SYSTEM","memSzie":5357568,"cpuRate":0,"proPID":3072,"priority":0},{"proName":"mac2ip_XPE.exe","userName":"SYSTEM","memSzie":970752,"cpuRate":0,"proPID":1436,"priority":0},{"proName":"winvnc4.exe","userName":"SYSTEM","memSzie":352256,"cpuRate":0,"proPID":820,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":2744,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":1336,"priority":0},{"proName":"LanQQ.exe","userName":"Administrator","memSzie":655360,"cpuRate":0,"proPID":1476,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":3336,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":2148,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":2988,"priority":0},{"proName":"javaw.exe","userName":"Administrator","memSzie":63479808,"cpuRate":0,"proPID":2856,"priority":0},{"proName":"rundll32.exe","userName":"SYSTEM","memSzie":45056,"cpuRate":0,"proPID":2980,"priority":0},{"proName":"System Idle Process","userName":"SYSTEM","memSzie":16384,"cpuRate":84,"proPID":0,"priority":0}]} 
    and i try to read it in js client
    PHP Code:
    var process_json_reader = new Ext.data.JsonReader({totalProperty'totalCount',root'topics'CpuUsage'CpuUsage'memAll'MemAll'memUsed'MemUsed'},['proName''proPID''userName''cpuRate''memSzie''priority''proPath']);
                var 
    process_detail_store = new Ext.data.Store({ 
                    
    baseParams:{computercomputer}, 
                    
    proxy: new Ext.data.HttpProxy({   
                        
    urlwebApp+'/processList.do'   
                    
    }),   
                    
    readerprocess_json_reader   
                
    }); 
    but when i access json data in the pagbingbar just like this
    PHP Code:
    tbar: [
                        {
                            
    xtype'panel',
                            
    html'[CPU: ' process_json_reader.meta.CpuUsage ' ??: ' +  process_json_reader.meta.memAll ' ?????: ' +  process_json_reader.meta.memUsed
                        
    }
                    ] 
    it can't work.

  2. #2

    Default

    i have read the thread:http://extjs.com/forum/showthread.ph...sonreader+meta
    but i have none idea to find out the solution .
    can anyone tell more details?

  3. #3
    Sencha User Animal's Avatar
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    Mar 2007
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    Bédoin/Nottingham
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