ExtJS 4.0 Dynamic grid generation

Source: Internet
Author: User

Every writing article is a history of blood and tears. Recently the company's needs to use the dynamic generation grid ext, the company is 4.0, because the version of the problem in the online find a lot of is not practical, so I researched the next.

Now let's share it with you.

Background json:

Callback content:

1Callback:function(options, success, response) {2 alert (response.responsetext);3                             varR =Ext.decode (response.responsetext);4                                if("3" = =r.state) {5                                     varColumnmodel = [];6                                     varcolumns = [];7                                      for(vari=0;i<r.responseresult.columnlist.length;i++{//Because the type returned in the background is a string, to convert the string to an object 8                                         varv =R.responseresult.columnlist[i];9                                         varobj =NewObject ();Tenobj = {text:v,dataindex:v,width:120}; Onecolumnmodel[i]=obj; AColumns[i] =v; -                                     } -                                      the                                     varDatas = []; -                                      for(vari=0;i<r.responseresult.datalist.length;i++) {//Convert to Object  -                                         varv =R.responseresult.datalist[i]; -                                         varSP = V.split (","); +                                         varObjdata =NewObject (); -                                          for(varj=0;j<sp.length;j++){ +                                             varColumnName = sp[j].substring (0,sp[j].indexof (":")); A                                             varColumndata = sp[j].substring (Sp[j].indexof (":") +1, sp[j].length); atObjdata[columnname] =Columndata; -                                         } -datas[i]=Objdata; -                                     } -                                     varstore = ext.create (' Ext.data.Store ', { - Fields:columns, in Data:datas -                                     }); to                                     //Note that columns and Columnmodel must be an array form of object, if the string is in the form of an error!  +EXT.GETCMP ("Sydatasourcegird"). Reconfigure (Store,columnmodel);  -                                     return ; the                                }   *Ext.create (' Global. Respwin ', {stateoktext:r.msg}). Stateerror (); $}
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