URL Scheme 生成

Page({
  onLoad(options) {
    // 1. 接收中转参数
    const targetAppId = options.target_appid;
    const targetPath = options.target_path ? decodeURIComponent(options.target_path) : '';
    const targetQuery = options.target_query ? decodeURIComponent(options.target_query) : '';

    // 2. 拼接完整路径 (如果包含 query)
    let finalPath = targetPath;
    if (targetQuery) {
        finalPath += (finalPath.includes('?') ? '&' : '?') + targetQuery;
    }

    // 3. 执行跳转
    if (targetAppId) {
      wx.navigateToMiniProgram({
        appId: targetAppId,
        path: finalPath,
        success(res) {
          console.log('跳转成功');
        },
        fail(err) {
          console.error('跳转失败', err);
          wx.showModal({
            title: '跳转失败',
            content: '无法打开目标小程序，请重试',
            showCancel: false
          });
        }
      });
    }
  }
})