mirror of
https://gitee.com/johng/gf.git
synced 2024-12-02 12:17:53 +08:00
129 lines
3.5 KiB
Go
129 lines
3.5 KiB
Go
// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
|
|
//
|
|
// This Source Code Form is subject to the terms of the MIT License.
|
|
// If a copy of the MIT was not distributed with this file,
|
|
// You can obtain one at https://github.com/gogf/gf.
|
|
|
|
package gmvc
|
|
|
|
import (
|
|
"github.com/gogf/gf/frame/gins"
|
|
"sync"
|
|
|
|
"github.com/gogf/gf/util/gmode"
|
|
|
|
"github.com/gogf/gf/net/ghttp"
|
|
"github.com/gogf/gf/os/gview"
|
|
)
|
|
|
|
// View is the view object for controller.
|
|
// It's initialized when controller request initializes and destroyed
|
|
// when the controller request closes.
|
|
type View struct {
|
|
mu sync.RWMutex
|
|
view *gview.View
|
|
data gview.Params
|
|
response *ghttp.Response
|
|
}
|
|
|
|
// NewView creates and returns a controller view object.
|
|
func NewView(w *ghttp.Response) *View {
|
|
return &View{
|
|
view: gins.View(),
|
|
data: make(gview.Params),
|
|
response: w,
|
|
}
|
|
}
|
|
|
|
// Assigns assigns template variables to this view object.
|
|
func (view *View) Assigns(data gview.Params) {
|
|
view.mu.Lock()
|
|
for k, v := range data {
|
|
view.data[k] = v
|
|
}
|
|
view.mu.Unlock()
|
|
}
|
|
|
|
// Assign assigns one template variable to this view object.
|
|
func (view *View) Assign(key string, value interface{}) {
|
|
view.mu.Lock()
|
|
view.data[key] = value
|
|
view.mu.Unlock()
|
|
}
|
|
|
|
// Parse parses given template file <tpl> with assigned template variables
|
|
// and returns the parsed template content.
|
|
func (view *View) Parse(file string) (string, error) {
|
|
view.mu.RLock()
|
|
defer view.mu.RUnlock()
|
|
buffer, err := view.response.ParseTpl(file, view.data)
|
|
return buffer, err
|
|
}
|
|
|
|
// ParseContent parses given template file <file> with assigned template variables
|
|
// and returns the parsed template content.
|
|
func (view *View) ParseContent(content string) (string, error) {
|
|
view.mu.RLock()
|
|
defer view.mu.RUnlock()
|
|
buffer, err := view.response.ParseTplContent(content, view.data)
|
|
return buffer, err
|
|
}
|
|
|
|
// LockFunc locks writing for template variables by callback function <f>.
|
|
func (view *View) LockFunc(f func(data gview.Params)) {
|
|
view.mu.Lock()
|
|
defer view.mu.Unlock()
|
|
f(view.data)
|
|
}
|
|
|
|
// LockFunc locks reading for template variables by callback function <f>.
|
|
func (view *View) RLockFunc(f func(data gview.Params)) {
|
|
view.mu.RLock()
|
|
defer view.mu.RUnlock()
|
|
f(view.data)
|
|
}
|
|
|
|
// BindFunc registers customized template function named <name>
|
|
// with given function <function> to current view object.
|
|
// The <name> is the function name which can be called in template content.
|
|
func (view *View) BindFunc(name string, function interface{}) {
|
|
view.view.BindFunc(name, function)
|
|
}
|
|
|
|
// BindFuncMap registers customized template functions by map to current view object.
|
|
// The key of map is the template function name
|
|
// and the value of map is the address of customized function.
|
|
func (view *View) BindFuncMap(funcMap gview.FuncMap) {
|
|
view.view.BindFuncMap(funcMap)
|
|
}
|
|
|
|
// Display parses and writes the parsed template file content to http response.
|
|
func (view *View) Display(file ...string) error {
|
|
name := view.view.GetDefaultFile()
|
|
if len(file) > 0 {
|
|
name = file[0]
|
|
}
|
|
if content, err := view.Parse(name); err != nil {
|
|
if !gmode.IsProduct() {
|
|
view.response.Write("Tpl Parsing Error: " + err.Error())
|
|
}
|
|
return err
|
|
} else {
|
|
view.response.Write(content)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// DisplayContent parses and writes the parsed content to http response.
|
|
func (view *View) DisplayContent(content string) error {
|
|
if content, err := view.ParseContent(content); err != nil {
|
|
if !gmode.IsProduct() {
|
|
view.response.Write("Tpl Parsing Error: " + err.Error())
|
|
}
|
|
return err
|
|
} else {
|
|
view.response.Write(content)
|
|
}
|
|
return nil
|
|
}
|