grid动态生成列的后台老板返回数据格式

{"metaData":
{
"idProperty":"id",
"root":"msg",
"totalProperty":"totalProperty",
"fields":[{"name":"2012-05"},{"name":"TDT"}
]},
"msg":[
{"id":"xx","TDT":"xx","2012-05":"<font color='blue'><u>29<\/u><\/font>"},

{"id":"xx6","TDT":"xx6","2012-05":"<font color='blue'><u>11<\/u><\/font>"},

{"id":"xx7","TDT":"xx7","2012-05":"<font color='blue'><u>4<\/u><\/font>"},

{"id":"xx8","TDT":"xx8","2012-05":"<font color='blue'><u>10<\/u><\/font>"},

{"id":"xx9","TDT":"xx9","2012-05":"<font color='blue'><u>5<\/u><\/font>"},

{"id":"xx1","TDT":"xx1","2012-05":"<font color='blue'><u>1<\/u><\/font>"},

{"id":"xx2","TDT":"xx2","2012-05":"<font color='blue'><u>2<\/u><\/font>"},

{"id":"xx3","TDT":"xx3","2012-05":"<font color='blue'><u>12<\/u><\/font>"},

{"id":"xx4","TDT":"xx4","2012-05":"<font color='blue'><u>2<\/u><\/font>"},

{"id":"xx5","TDT":"xx5","2012-05":"<font color='blue'><u>6<\/u><\/font>"},

{"id":"00","TDT":"00","2012-05":"<font color='blue'><u>82<\/u><\/font>"}]}