阶段性提交

internal/js/console.go

@@ -0,0 +1,50 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package js
+
+import (
+	"encoding/json"
+	"github.com/iwind/TeaGo/logs"
+	"reflect"
+)
+
+type Console struct {
+}
+
+func (this *Console) Log(args ...interface{}) {
+	for index, arg := range args {
+		if arg != nil {
+			switch arg.(type) {
+			case bool, int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64, string:
+			default:
+				var argType = reflect.TypeOf(arg)
+
+				// 是否有String()方法，如果有直接调用
+				method, ok := argType.MethodByName("String")
+				if ok && method.Type.NumIn() == 1 && method.Type.NumOut() == 1 && method.Type.Out(0).Kind() == reflect.String {
+					args[index] = method.Func.Call([]reflect.Value{reflect.ValueOf(arg)})[0].String()
+					continue
+				}
+
+				// 转为JSON
+				argJSON, err := this.toJSON(arg)
+				if err != nil {
+					if argType.Kind() == reflect.Func {
+						args[index] = "[function]"
+					} else {
+						args[index] = "[object]"
+					}
+				} else {
+					args[index] = string(argJSON)
+				}
+			}
+		} else {
+			args[index] = "null"
+		}
+	}
+	logs.Println(append([]interface{}{"[js][console]"}, args...)...)
+}
+
+func (this *Console) toJSON(o interface{}) ([]byte, error) {
+	return json.Marshal(o)
+}