这堆JSON如何转换成复合BEAN？

返回的Json:[{"gTaskId":"BC8624F0E7284DE1","ulRet":0,"execStatus":"Cmd Execute Success!","ulRetParam1":0,"ulTaskStatus":4,"ulRetParam2":0,"cmdName":"SnmpRuleGet","nNums":7,"rules":[{"nSnmpTry":1,"nSnmpVersion":2,"szCommunity":"public","nType":1,"nCurrentTick":-1486217421,"szParam":"1","iD":0,"szOid":"1.3.6.1.4.1.789.1.6.2.1.3.1","szUpdateTime":"","szCreateTime":"","szSnmpIP":"10.1.8.88","pollTime":5,"nSnmpTimeOut":3,"nSnmpPort":32161},{"nSnmpTry":0,"nSnmpVersion":2,"szCommunity":"public","nType":1,"nCurrentTick":-1486347421,"szParam":"","iD":7,"szOid":"1.3.6.1.4.1.789.1.2.1.7","szUpdateTime":"2013-5-9 13:9:0","szCreateTime":"2013-5-9 13:9:0","szSnmpIP":"180.153.104.3","pollTime":500,"nSnmpTimeOut":30,"nSnmpPort":32161},{"nSnmpTry":0,"nSnmpVersion":2,"szCommunity":"public","nType":1,"nCurrentTick":-1486347421,"szParam":"","iD":4,"szOid":"1.3.6.1.4.1.789.1.2.2.6","szUpdateTime":"2013-5-9 13:8:0","szCreateTime":"2013-5-9 13:8:0","szSnmpIP":"180.153.104.3","pollTime":500,"nSnmpTimeOut":30,"nSnmpPort":32161},{"nSnmpTry":0,"nSnmpVersion":2,"szCommunity":"public","nType":1,"nCurrentTick":-1486347421,"szParam":"","iD":5,"szOid":"1.3.6.1.4.1.789.1.2.2.7","szUpdateTime":"2013-5-9 13:8:0","szCreateTime":"2013-5-9 13:8:0","szSnmpIP":"180.153.104.3","pollTime":500,"nSnmpTimeOut":30,"nSnmpPort":32161},{"nSnmpTry":0,"nSnmpVersion":2,"szCommunity":"public","nType":1,"nCurrentTick":-1486347421,"szParam":"","iD":9,"szOid":"1.3.6.1.4.1.789.1.6.2.1.3","szUpdateTime":"2013-5-9 13:25:0","szCreateTime":"2013-5-9 13:25:0","szSnmpIP":"180.153.104.3","pollTime":500,"nSnmpTimeOut":30,"nSnmpPort":32161},{"nSnmpTry":0,"nSnmpVersion":2,"szCommunity":"public","nType":1,"nCurrentTick":-1486347421,"szParam":"","iD":10,"szOid":"1.3.6.1.4.1.789.1.6.2.1.3.1","szUpdateTime":"2013-5-9 18:31:0","szCreateTime":"2013-5-9 18:31:0","szSnmpIP":"180.153.104.3","pollTime":500,"nSnmpTimeOut":30,"nSnmpPort":32161},{"nSnmpTry":0,"nSnmpVersion":2,"szCommunity":"public","nType":1,"nCurrentTick":-1486653421,"szParam":"","iD":6,"szOid":"1.3.6.1.4.1.789.1.2.2.7","szUpdateTime":"2013-5-9 13:9:0","szCreateTime":"2013-5-9 13:9:0","szSnmpIP":"180.153.104.4","pollTime":600,"nSnmpTimeOut":30,"nSnmpPort":32161}]}] 返回的Json:[{"gTaskId":"BC8624F0E7284DE1","ulRet":