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go语言使用go-sciter创建桌面应用(七) view对象常用方法,文件选择,窗口弹出,请求

2017-06-25 13:25 1741 查看
view对象的详细文档请看:

https://sciter.com/docs/content/sciter/View.htm


demo9.html代码如下:

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>view对象学习</title>
<style>
.br {
width: 100%;
border: 1px solid #ccc;
margin: 10px auto;
}
</style>
</head>
<body>

<div class="br">
<button id="selFile">选择文件</button>
<span id="filePath"></span>
<br>
<button id="selFolder">选择目录</button>
<span id="folderPath"></span>
<br>
<button id="moveFile">移动</button>
<span id="moveRet"></span>
</div>
<div class="br">
<button id="msgbox1">消息框</button>
<br>
<button id="msgbox2">信息框</button>
<br>
<button id="msgbox3">问题框</button>
<br>
<button id="msgbox4">警告框</button>
<br>
<button id="msgbox5">错误框</button>
</div>

<div class="br">
<button id="dlg1">对话框</button>
</div>

<div class="br">
<button id="win1">窗口</button>
<br>
</div>

<div class="br">
<button id="state1">全屏</button>
<button id="state2">默认</button>
<button id="state3">关闭</button>
</div>

<div class="br">
<button id="req">请求</button>
结果:
<iframe id="reqRet"></iframe>
</div>

<script type="text/tiscript">
self.ready = function() {
var file = "";
var folder = "";

//选择文件
$(#selFile).on("click", function() {
//文件筛选项
const filter = "Image Files (*.jpg,*.jpeg,*.gif,*.png)|*.jpg;*.jpeg;*.gif;*.png|All Files (*.*)|*.*";
//默认后缀
const defaultExt = "jpg";
//初始化路径,就是文件选择窗打开时所在路径
const initialPath = System.path(#USER_DOCUMENTS);
//标题
const caption = "选择图片";
file = view.selectFile(#open, filter, defaultExt, initialPath, caption );
$(#filePath).text = file;
return true;
});
//选择文件夹
$(#selFolder).on("click", function() {
folder = view.selectFolder("选择你的文件夹");
$(#folderPath).text = folder;
});
//移动文件
$(#moveFile).on("click", function() {
if(file && folder) {
//调用go中定义的函数进行移动文件处理
var ret = view.moveFile(file, folder);
$(#moveRet).text = ret;
}
});

//消息框
$(#msgbox1).on("click", function() {
view.msgbox(#alert, "我是消息框");
});
//信息框
$(#msgbox2).on("click", function() {
view.msgbox(#information, "我是信息框", "信息框");
});
//问题框
$(#msgbox3).on("click", function() {
view.msgbox(#question,
"请选择是或否",
"问题框",
//按钮组
[{id:#yes,text:"是"},{id:#no,text:"否"}],
//onLoad,窗口加载时调用
function(root) {

},
//onClose,窗口关闭时调用
function(root, id) {
//id表示你选择按钮的ID
if(id == "yes") {
view.msgbox(#alert, "你选择的yes");
} else {
view.msgbox(#alert, "你选择的no");
}
});
});
//警告框
$(#msgbox4).on("click", function() {
view.msgbox(#warning, "我是警告框");
});
//错误框
$(#msgbox5).on("click", function() {
view.msgbox(#error, "我是错误框");
});

//新对话框
$(#dlg1).on("click", function() {
var dlg = view.dialog({
//加载到对话框中的URL,可加载本地文件
url: self.url("simple.html"),
//对话框的x,y坐标
x: 50,
y: 50,
//窗口的宽度,高度
width: 200,
height: 200,
//是否是客户区,如果为真,那么x,y,width,height作为客户区坐标,而不是窗口
client: false,
//对话框参数
parameters: {"test":"test"},
//对话框标题
caption: "新对话框",
//相对于屏幕窗口对齐
alignment: 3,
});
});

//新窗口
$(#win1).on("click", function() {
var win = view.window({
//窗口类型
//View.FRAME_WINDOW 框架窗口
//View.TOOL_WINDOW 工具窗口
//View.POPUP_WINDOW 弹出窗口
type: View.TOOL_WINDOW,
//加载到窗口中的URL,可加载本地文件
url: self.url("simple.html"),
//窗口的x,y坐标
x: 200,
y: 200,
//窗口的宽度,高度
width: 400,
height: 400,
//是否是客户区,如果为真,那么x,y,width,height作为客户区坐标,而不是窗口
client: false,
//窗口状态
//View.WINDOW_SHOWN 显示
//View.WINDOW_HIDDEN 隐藏
//View.WINDOW_MINIMIZED 最小化
//View.WINDOW_MAXIMIZED 最大化
//View.WINDOW_FULL_SCREEN 全屏
state: View.WINDOW_SHOWN,
//窗口参数
parameters: {"test":"test"},
//窗口标题
caption: "新窗口",
//相对于屏幕窗口对齐
alignment: 3,
});
//访问窗口中设置的参数
stdout.println(win.parameters["test"]);
});

//修改当前窗口的状态
$(#state1).on("click", function() {
//全屏
view.state = View.WINDOW_FULL_SCREEN;
});
$(#state2).on("click", function() {
//默认
view.state = View.WINDOW_SHOWN;
});
$(#state3).on("click", function() {
//关闭
view.close();
});

//view的事件响应
//视图窗口大小发生改变时
view.on("sizing", function(sizingParams) {
view.dump("大小改变", sizingParams.x, sizingParams.y, sizingParams.width, sizingParams.height);
});
//视图窗口移动时
view.on("moving", function(movingParams) {
view.dump("移动改变", movingParams.x, movingParams.y, movingParams.width, movingParams.height);
});
//视图窗口状态改变时
view.on("statechange", function() {
view.dump(view.state);
});

//请求方法类似jquery中的ajax
$(#req).on("click", function() {
view.request({
//请求类型(#get, #post, #put, #delete)
type: #get,
//请求url
url: "http://www.163.com",
//协议(#basic, #multipart, #json)
protocol: #basic,
params: {
"test": "test"
},
//成功回调函数
success: function(data,status) {
$(#reqRet).html = data;
},
//失败回调函数
error: function(err,status) {

}
});
});
};
</script>
</body>
</html>


demo9.go代码如下:

package main;

import (
"github.com/sciter-sdk/go-sciter/window"
"github.com/sciter-sdk/go-sciter"
"log"
"os"
"strings"
"path/filepath"
"io/ioutil"
"fmt"
)

func defFunc(w *window.Window) {
//注册dump函数方便在tis脚本中打印数据
w.DefineFunction("dump", func(args ...*sciter.Value) *sciter.Value {
for _, v := range args {
fmt.Print(v.String() + " ");
}
fmt.Println();
return sciter.NullValue();
});
//处理文件移动
w.DefineFunction("moveFile", func(args ...*sciter.Value) *sciter.Value {
file := args[0].String();
folder := args[1].String();

//去掉路径左边的file://
file = strings.TrimLeft(file, "file://");
//获取文件名
fileName := filepath.Base(file);
//读取文件数据
data, err := ioutil.ReadFile(file);
if err != nil {
return sciter.NewValue(err.Error());
}
//写入文件数据
err = ioutil.WriteFile(filepath.Join(folder, fileName), data, os.ModePerm);
if err == nil {
//删除原文件
os.Remove(file);
return sciter.NewValue("移动成功");
} else {
return sciter.NewValue("移动失败");
}
});
}

func main() {
w, err := window.New(sciter.DefaultWindowCreateFlag, sciter.DefaultRect);
if err != nil {
log.Fatal(err);
}
w.LoadFile("demo9.html");
w.SetTitle("view对象学习");
defFunc(w);
w.Show();
w.Run();
}


显示结果如下:





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