Version 0.3.15

* 重要更新：HttpHandle增加error返回值，有error再也不用panic啦！
* 重要更新：新增Context接口
* ExceptionHandle func(*HttpContext, error) 调整为 ExceptionHandle func(Context, error)
* HttpHandle func(*HttpContext) 调整为 HttpHandle func(Context) error
* Middleware.Handle(ctx *HttpContext) error调整为Handle(ctx Context) error
* Middleware.Next(ctx *HttpContext)调整为Next(ctx Context)
* 为使Context设计与理解更清晰，做以下重要变更：
* 迁移Context.QueryStrings()至Context.Request().QueryStrings()
* 迁移Context.RawQuery()至Context.Request().RawQuery()
* 迁移Context.FormFile()至Context.Request().FormFile()
* 迁移Context.FormValues()至Context.Request().FormValues()
* 迁移Context.PostBody()至Context.Request().PostBody()
* 迁移Context.QueryHeader()至Context.Request().QueryHeader()
* 迁移Context.Url()至Context.Request().Url()
* 迁移Context.ContentType()至Context.Request().ContentType()
* 迁移Context.DelHeader()至Context.Response().DelHeader()
* 迁移Context.SetHeader()至Context.Response().SetHeader()
* 迁移Context.SetContentType()至Context.Response().SetContentType()
* 迁移Context.SetStatusCode()至Context.Response().SetStatusCode()
* 废弃Context.PostString(key string) string
* 通过在handler内返回相应的error，框架自动命中并通过设置的ExceptionHandle处理
* 更新 example/下所有代码，以支持error返回值，支持Context接口
* 2017-05-20 15:00

README.md

@@ -162,7 +162,7 @@ dotweb.json.conf
 11、Router.RegisterRoute(routeMethod string, path string, handle HttpHandle)
 12、Router.RegisterHandler(name string, handler HttpHandle)
 13、Router.GetHandler(name string) (HttpHandle, bool)
-14、Router.MatchPath(ctx *HttpContext, routePath string) bool
+14、Router.MatchPath(ctx Context, routePath string) bool
 ```
 接受两个参数，一个是URI路径，另一个是 HttpHandle 类型，设定匹配到该路径时执行的方法；
 #### 2) 静态路由
@@ -294,7 +294,7 @@ func NewAccessFmtLog(index string) *AccessFmtLog {
 * 默认设置: 当发生未处理异常时，会根据RunMode向页面输出默认错误信息或者具体异常信息，并返回 500 错误头
 * 自定义: 通过DotServer.SetExceptionHandle(handler *ExceptionHandle)实现自定义异常处理逻辑
 ```go
-type ExceptionHandle func(*HttpContext, interface{})
+type ExceptionHandle func(Context, error)
 ```
 
 ## 9. Session

bind.go

@@ -15,13 +15,13 @@ const (
 type (
 	// Binder is the interface that wraps the Bind method.
 	Binder interface {
-		Bind(interface{}, *HttpContext) error
+		Bind(interface{}, Context) error
 	}
 
 	binder struct{}
 )
 
-func (b *binder) Bind(i interface{}, ctx *HttpContext) (err error) {
+func (b *binder) Bind(i interface{}, ctx Context) (err error) {
 	req := ctx.Request()
 	ctype := req.Header.Get(HeaderContentType)
 	if req.Body == nil {

dotweb.go

@@ -39,7 +39,7 @@ type (
 	NotFoundHandle  http.Handler
 
 	// Handle is a function that can be registered to a route to handle HTTP
-	// requests. Like http.HandlerFunc, but has a special parameter *HttpContext contain all request and response data.
+	// requests. Like http.HandlerFunc, but has a special parameter Context contain all request and response data.
 	HttpHandle func(Context) error
 )
 

feature.go

@@ -14,7 +14,7 @@ func init() {
 }
 
 //set CROS config on HttpContext
-func (f *xFeatureTools) SetCROSConfig(ctx *HttpContext, c *feature.CROSConfig) {
+func (f *xFeatureTools) SetCROSConfig(ctx Context, c *feature.CROSConfig) {
 	ctx.Response().SetHeader(HeaderAccessControlAllowOrigin, c.AllowedOrigins)
 	ctx.Response().SetHeader(HeaderAccessControlAllowMethods, c.AllowedMethods)
 	ctx.Response().SetHeader(HeaderAccessControlAllowHeaders, c.AllowedHeaders)

render.go

@@ -15,15 +15,15 @@ type Renderer interface {
 	//模板查找顺序从最后一个插入的元素开始往前找
 	//默认添加base、base/templates、base/views
 	SetTemplatePath(path ...string)
-	Render(io.Writer, string, interface{}, *HttpContext) error
+	Render(io.Writer, string, interface{}, Context) error
 }
 
 type innerRenderer struct {
 	templatePaths []string
 }
 
 // Render render view use http/template
-func (r *innerRenderer) Render(w io.Writer, tpl string, data interface{}, ctx *HttpContext) error {
+func (r *innerRenderer) Render(w io.Writer, tpl string, data interface{}, ctx Context) error {
 	t, err := r.parseFile(tpl)
 	if err != nil {
 		return err

server.go

@@ -213,7 +213,7 @@ func (server *HttpServer) SetEnabledGzip(isEnabled bool) {
 }
 
 //do features...
-func (server *HttpServer) doFeatures(ctx *HttpContext) *HttpContext {
+func (server *HttpServer) doFeatures(ctx Context) Context {
 	//处理 cros feature
 	if server.Features.CROSConfig != nil {
 		c := server.Features.CROSConfig
@@ -328,7 +328,7 @@ func (server *HttpServer) wrapRouterHandle(handler HttpHandle, isHijack bool) Ro
 		}()
 
 		//do features
-		httpCtx = server.doFeatures(httpCtx)
+		server.doFeatures(httpCtx)
 
 		//处理前置Module集合
 		for _, module := range server.DotApp.Modules {