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@@ -185,7 +185,8 @@ func (c *Context) MustGet(key string) interface{} {
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// Query is a shortcut for c.Request.URL.Query().Get(key)
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// It is used to return the url query values.
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-// ?id=1234&name=Manu
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+// It returns an empty string ("") when the value does not exist.
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+// /path?id=1234&name=Manu
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// c.Query("id") == "1234"
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// c.Query("name") == "Manu"
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// c.Query("wtf") == ""
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@@ -195,12 +196,18 @@ func (c *Context) Query(key string) string {
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}
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// PostForm is a shortcut for c.Request.PostFormValue(key)
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+// It returns an empty string ("") when the value does not exist.
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func (c *Context) PostForm(key string) string {
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value, _ := c.postForm(key)
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return value
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}
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-// Param is a shortcut for c.Params.ByName(key)
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+// Param returns the value of the URL param.
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+// It is a shortcut for c.Params.ByName(key)
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+// router.GET("/user/:id", func(c *gin.Context) {
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+// // a GET request to /user/john
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+// id := c.Param("id") // id == "john"
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+// })
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func (c *Context) Param(key string) string {
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return c.Params.ByName(key)
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}
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@@ -214,11 +221,9 @@ func (c *Context) DefaultPostForm(key, defaultValue string) string {
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// DefaultQuery returns the keyed url query value if it exists, othewise it returns the
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// specified defaultValue.
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-// ```
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-// /?name=Manu
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-// c.DefaultQuery("name", "unknown") == "Manu"
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-// c.DefaultQuery("id", "none") == "none"
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-// ```
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+// //?name=Manu
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+// c.DefaultQuery("name", "unknown") == "Manu"
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+// c.DefaultQuery("id", "none") == "none"
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func (c *Context) DefaultQuery(key, defaultValue string) string {
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if value, ok := c.query(key); ok {
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return value
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@@ -250,8 +255,8 @@ func (c *Context) postForm(key string) (string, bool) {
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// Bind checks the Content-Type to select a binding engine automatically,
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// Depending the "Content-Type" header different bindings are used:
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-// "application/json" --> JSON binding
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-// "application/xml" --> XML binding
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+// "application/json" --> JSON binding
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+// "application/xml" --> XML binding
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// otherwise --> returns an error
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// If Parses the request's body as JSON if Content-Type == "application/json" using JSON or XML as a JSON input.
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// It decodes the json payload into the struct specified as a pointer.
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