add need package

vendor/github.com/zr-hebo/util-http/mouthpiece.go

@@ -0,0 +1,86 @@
+package easyhttp
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strings"
+)
+
+// ErrorStatus 返回包含不同状态的错误信息
+type ErrorStatus interface {
+	Status() int
+}
+
+// Mouthpiece 返回response的结果，记录错误日志
+type Mouthpiece struct {
+	resp    http.ResponseWriter
+	Err     error  `json:"-"`
+	Message string `json:"message"`
+	Status  int    `json:"status"`
+
+	Data interface{} `json:"data,omitempty"`
+}
+
+// NewMouthpiece 创建传话筒
+func NewMouthpiece(resp http.ResponseWriter) (mp *Mouthpiece) {
+	mp = new(Mouthpiece)
+	mp.resp = resp
+	mp.Status = -1
+	return
+}
+
+// SetError 设置错误信息
+func (mp *Mouthpiece) SetError(err error) {
+	mp.Err = err
+}
+
+// Convey 将执行结果使用http response返回
+func (mp *Mouthpiece) String() (strContent string) {
+	jsonContent, err := json.Marshal(mp)
+	if err != nil {
+		strContent = err.Error()
+	}
+
+	strContent = string(jsonContent)
+	strContent = fmt.Sprintf("准备Response：%s", strContent)
+	return
+}
+
+// Convey 将执行结果使用http response返回
+func (mp *Mouthpiece) Convey() (err error) {
+	if mp.Err != nil {
+		if se, ok := mp.Err.(ErrorStatus); ok {
+			mp.Status = se.Status()
+
+		} else {
+			mp.Status = -1
+		}
+		mp.Message = mp.Err.Error()
+
+	} else {
+		mp.Status = 0
+		mp.Message = "OK"
+	}
+
+	err = Response(mp.resp, mp)
+	return
+}
+
+// Response 将结果打包成json返回给http
+func Response(resp http.ResponseWriter, result interface{}) (err error) {
+	respMsg, err := json.Marshal(result)
+	if err != nil {
+		return
+	}
+
+	respStr := string(respMsg)
+	replacer := strings.NewReplacer(
+		"\\u0026", "&",
+		"\\u003c", "<",
+		"\\u003e", ">")
+	respMsg = []byte(replacer.Replace(respStr))
+
+	_, err = resp.Write(respMsg)
+	return
+}