迅雷云加速SDK

import win.ui;
/*DSG{{*/
var winform = win.form(text="迅雷云加速SDK测试程序";right=574;bottom=187;border="dialog frame";max=false;min=false)
winform.add(
btnCancel={cls="button";text="取消";left=386;top=137;right=520;bottom=176;z=6};
btnDown={cls="button";text="下载";left=238;top=137;right=372;bottom=176;z=1};
editUrl={cls="edit";text="https://dtapp-pub.dingtalk.com/dingtalk-desktop/win_installer/Release/DingTalk_v6.0.0.11405.exe";left=158;top=18;right=548;bottom=43;edge=1;z=4};
lbStatus={cls="static";text="0 KB/S";left=48;top=106;right=545;bottom=130;transparent=1;z=3};
progress={cls="progress";left=32;top=67;right=553;bottom=97;edge=1;max=100;min=0;z=2};
static={cls="static";text="请输入下载网址:";left=-132;top=19;right=151;bottom=46;align="right";transparent=1;z=5}
)
/*}}*/

import inet.http
import thunder.downEngine;

winform.btnDown.oncommand = function(id, event) {
    //检查输入参数
    var url = winform.editUrl.text;
    if (!inet.url.is(url, 0x0 /*_URLIS_URL*/ )) {
        winform.msgboxErr("输入了错误的网址")
        winform.editUrl.setFocus(0, -1);
        return;
    }

    //获取下载文件名
    var http = inet.http();
    http.head(url);
    var filename = http.readHeaderContent()[["disposition"]][["filename"]]: "未知";
    http.close();
    
    //创建下载任务
    var savePath = "D:\"
    winform.downTask = thunder.downEngine(
        taskUrl = winform.editUrl.text; 
        filename = filename; 
        savePath = savePath;         
    )

    if (!winform.downTask) error("创建下载任务失败", 2)

    //开始下载
    winform.downTask.start();
    winform.btnDown.disabled = true;
    winform.btnCancel.disabled = false;

    winform.statusTimerId = winform.setInterval(100,
        function(hwnd, msg, id, tick) {
            if (!winform.downTask) return 0;

            var info = winform.downTask.queryTaskInfo()
            if (info.stat = 4 /*_XL_TSC_COMPLETE*/ || info.stat = 1 /*_XL_TSC_ERROR*/ ) {
                
                ({[1] = function(){
                    winform.progress.pos = 0
                    winform.msgbox("下载错误")
                },
                [4] = function(){
                    winform.progress.pos = 100
                    winform.msgbox("下载完成")
                }})[info.stat]()
                
                winform.btnDown.disabled = false;
                winform.btnCancel.disabled = true;
                winform.statusTimerId = null;
                return 0;
            }
            
            var totalSize = info.totalSize.format()
            var totalDownload = info.totalDownload.format()
            var downloadSpeed = math.size64(info.speed).format()
            
            winform.progress.pos = 100 * info.percent;    
            winform.lbStatus.text = string.format("%s%s 大小: %s 已下载: %s 下载速度: %s/S"
                ,savePath
                ,info.filename
                ,totalSize
                ,totalDownload
                ,downloadSpeed
            )
        }
    )
}

winform.btnCancel.oncommand = function(id, event) {
    if (winform.statusTimerId)
        winform.clearInterval(winform.statusTimerId)
        
    if (winform.downTask) {
        winform.downTask.delete()
        winform.downTask.delTempFile()
    }

    winform.statusTimerId = null;
    winform.btnDown.disabled = false;
    winform.btnCancel.disabled = true;
    winform.lbStatus.text = "已停止";
    winform.progress.pos = 0;
}

winform.show()
win.loopMessage();