.

output/outputs.go

@@ -262,7 +262,30 @@ func BuildHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if data["succ"].(bool) {
+	if !data["succ"].(bool) {
+		return
+	}
+
+	channelRet := map[string]interface{}{}
+
+	if nil != session.OutputWS[sid] {
+		// 在前端 output 中显示“开始构建”
+
+		channelRet["output"] = "go build"
+		channelRet["cmd"] = "pre-build"
+
+		wsChannel := session.OutputWS[sid]
+
+		err := wsChannel.Conn.WriteJSON(&channelRet)
+		if nil != err {
+			glog.Error(err)
+			return
+		}
+
+		// 更新通道最近使用时间
+		wsChannel.Time = time.Now()
+	}
+
 	reader := io.MultiReader(stdout, stderr)
 
 	if err := cmd.Start(); nil != err {
@@ -362,7 +385,6 @@ func BuildHandler(w http.ResponseWriter, r *http.Request) {
 
 	}(rand.Int())
 }
-}
 
 // go install.
 func GoInstallHandler(w http.ResponseWriter, r *http.Request) {

static/js/wide.js

@@ -317,6 +317,8 @@ var wide = {
                 });
             }
 
+            // TODO: 重构成 switch-case
+            
             if ('run' === data.cmd) { // 正在运行
                 wide.fillOutput($('.bottom-window-group .output').text() + data.output);
                 wide.curProcessId = data.pid;
@@ -345,6 +347,8 @@ var wide = {
                 CodeMirror.signal(wide.curEditor, "change", wide.curEditor);
             } else if ('go get' === data.cmd || 'go install' === data.cmd) {
                 wide.fillOutput($('.bottom-window-group .output').text() + data.output);
+            } else if ('pre-build' === data.cmd) {
+                wide.fillOutput(data.output);
             }
         };
         outputWS.onclose = function (e) {