Object json = "{'name':'张三','xingming':'男', "
+"'testData':{"
+"'tqq':{'Ceshichengji':'25.6','Dengji':'优秀','Pingjiadengji':'5','Ceshixiangmumingcheng':'坐位体前屈'},"
+"'fys':{'Ceshichengji':'0.93','Dengji':'差','Pingjiadengji':'1','Ceshixiangmumingcheng':'选择反应时'},"
+"'fwc':{'Ceshichengji':'5','Dengji':'差','Pingjiadengji':'1','Ceshixiangmumingcheng':'俯卧撑'},"
+"'fhl':{'Ceshichengji':'517','Dengji':'差','Pingjiadengji':'1','Ceshixiangmumingcheng':'肺活量'},"
+"'bydjzl':{'Ceshichengji':'5','Dengji':'稍差','Pingjiadengji':'2','Ceshixiangmumingcheng':'闭眼单脚站立'},"
+"'zt':{'Ceshichengji':'74.8','Dengji':'优秀','Pingjiadengji':'5','Ceshixiangmumingcheng':'纵跳'},"
+"'wl':{'Ceshichengji':'8.3','Dengji':'差','Pingjiadengji':'1','Ceshixiangmumingcheng':'握力'},"
+"'tj':{'Ceshichengji':'28.6','Dengji':'差','Pingjiadengji':'1','Ceshixiangmumingcheng':'台阶指数'},"
+"'bl':{'Ceshichengji':'23','Dengji':'差','Pingjiadengji':'0','Ceshixiangmumingcheng':'背力'},"
+"'tz':{'Ceshichengji':'43','Dengji':'差','Pingjiadengji':'','Ceshixiangmumingcheng':'体重'},"
+"'sg':{'Ceshichengji':'体重','Dengji':'差','Pingjiadengji':'5','Ceshixiangmumingcheng':'身高'}}}";
这种格式怎么在后台遍历啊?