FromString convert key value pair string to map m2 := FromString(s) .

GetBool get bool value from map, return default value if not exist str := GetFloat64(Map,0) .

GetFloat64 get float64 value from map, return default value if not exist str := GetFloat64(Map,0) .

GetMap get string value from map, return default value if not exist m := GetMap(Map,"submap") .

GetString get string value from map, return default value if not exist str := GetString(Map,"hello") .

GetTime get time value from map, return default value if not exist or wrong time type str := MapGetFloat64(Map,time.Now()) .

Insert insert json object to array .

ToString convert map to string using key value pair m := map[string]interface{}{ "a": "1", "b": "2", } s := ToString(m) .