golang中 将string转化为json
func str2json(){
cmd := "['read': 2.0, 'write': 1.2}, {'read_mb': 4.0, 'write': 3.2}]"
str := (string(cmd), "'", "\"", -1)
str = (str, "\n", "", -1)
var dat []map[string]interface{}
if err := ([]byte(str), &dat); err == nil {
fmt.Println(dat)
//(dat["status"])
} else {
fmt.Println(err)
}
}