mime 类型初始化

@admpub 在你的 pr 基础上做了一些小重构

main.go

@@ -5,11 +5,11 @@ import (
 	"flag"
 	"html/template"
 	"math/rand"
+	"mime"
 	"net/http"
 	"runtime"
 	"strconv"
 	"time"
-	"mime"
 
 	"github.com/b3log/wide/conf"
 	"github.com/b3log/wide/editor"
@@ -274,14 +274,10 @@ func aboutHandler(w http.ResponseWriter, r *http.Request) {
 
 // 主程序入口.
 func main() {
-
-	//解决Windows环境下问题
-	mime.AddExtensionType(".css", "text/css")
-	mime.AddExtensionType(".js", "application/x-javascript")
-	mime.AddExtensionType(".json", "application/json")
-
 	runtime.GOMAXPROCS(conf.Wide.MaxProcs)
 
+	initMime()
+
 	defer glog.Flush()
 
 	// IDE
@@ -387,3 +383,12 @@ func panicRecover(handler func(w http.ResponseWriter, r *http.Request)) func(w h
 		handler(w, r)
 	}
 }
+
+// 初始化 mime.
+//
+// 有的操作系统（例如 Windows XP）上运行时根据文件后缀获取不到对应的 mime 类型，会导致响应的 HTTP content-type 不正确。
+func initMime() {
+	mime.AddExtensionType(".css", "text/css")
+	mime.AddExtensionType(".js", "application/x-javascript")
+	mime.AddExtensionType(".json", "application/json")
+}

wide.bat

@@ -1,3 +1,5 @@
 go install
+
 wide
-pause
+
+pause