{\"datetime\":\"2019/9/2 13:46:00\",\"measparam\":\"w01018\",\"value\":411.839996337891,\"unit\":\"mg/L\",\"type\":1,\"dataflag\":\"N\"},{\"datetime\":\"2019/9/2 13:46:00\",\"measparam\":\"w21011\",\"value\":3.07800006866455,\"unit\":\"mg/L\",\"type\":1,\"dataflag\":\"N\"}
有这样一个json串数组如何判断当measparam为w01018时候,value取值为411.839996;当measparam为w21011时候,value取值为3.07800006866455?