微信JS-SDK 分享到朋友圈 分享给朋友 分享到QQ 拍照或从手机相册中选图 识别音频并返回识别结果 使用微信内置地图查看位置
原文:http://www.cnblogs.com/txw1958/p/weixin-js-sdk-demo.html
1 js代码
1 wx.ready(function () { 2 // 1 判断当前版本是否支持指定 JS 接口,支持批量判断 3 document.querySelector('#checkJsApi').onclick = function () { 4 wx.checkJsApi({ 5 jsApiList: [ 6 'getNetworkType', 7 'previewImage' 8 ], 9 success: function (res) { 10 alert(JSON.stringify(res)); 11 } 12 }); 13 }; 14 15 // 2. 分享接口 16 // 2.1 监听“分享给朋友”,按钮点击、自定义分享内容及分享结果接口 17 document.querySelector('#onMenuShareAppMessage').onclick = function () { 18 wx.onMenuShareAppMessage({ 19 title: '监听分享给朋友', 20 desc: '在长大的过程中,我才慢慢发现,我身边的所有事,别人跟我说的所有事,那些所谓本来如此,注定如此的事,它们其实没有非得如此,事情是可以改变的。更重要的是,有些事既然错了,那就该做出改变。', 21 link: 'http://movie.douban.com/subject/25785114/', 22 imgUrl: 'http://img3.douban.com/view/movie_poster_cover/spst/public/p2166127561.jpg', 23 trigger: function (res) { 24 alert('用户点击发送给朋友'); 25 }, 26 success: function (res) { 27 alert('已分享'); 28 }, 29 cancel: function (res) { 30 alert('已取消'); 31 }, 32 fail: function (res) { 33 alert(JSON.stringify(res)); 34 } 35 }); 36 alert('已注册获取“发送给朋友”状态事件'); 37 }; 38 39 // 2.2 监听“分享到朋友圈”按钮点击、自定义分享内容及分享结果接口 40 document.querySelector('#onMenuShareTimeline').onclick = function () { 41 wx.onMenuShareTimeline({ 42 title: '监听分享到朋友圈', 43 link: 'http://movie.douban.com/subject/25785114/', 44 imgUrl: 'http://img3.douban.com/view/movie_poster_cover/spst/public/p2166127561.jpg', 45 trigger: function (res) { 46 alert('用户点击分享到朋友圈'); 47 }, 48 success: function (res) { 49 alert('已分享'); 50 }, 51 cancel: function (res) { 52 alert('已取消'); 53 }, 54 fail: function (res) { 55 alert(JSON.stringify(res)); 56 } 57 }); 58 alert('已注册获取“分享到朋友圈”状态事件'); 59 }; 60 61 // 2.3 监听“分享到QQ”按钮点击、自定义分享内容及分享结果接口 62 document.querySelector('#onMenuShareQQ').onclick = function () { 63 wx.onMenuShareQQ({ 64 title: '监听分享到qq', 65 desc: '在长大的过程中,我才慢慢发现,我身边的所有事,别人跟我说的所有事,那些所谓本来如此,注定如此的事,它们其实没有非得如此,事情是可以改变的。更重要的是,有些事既然错了,那就该做出改变。', 66 link: 'http://movie.douban.com/subject/25785114/', 67 imgUrl: 'http://img3.douban.com/view/movie_poster_cover/spst/public/p2166127561.jpg', 68 trigger: function (res) { 69 alert('用户点击分享到QQ'); 70 }, 71 complete: function (res) { 72 alert(JSON.stringify(res)); 73 }, 74 success: function (res) { 75 alert('已分享'); 76 }, 77 cancel: function (res) { 78 alert('已取消'); 79 }, 80 fail: function (res) { 81 alert(JSON.stringify(res)); 82 } 83 }); 84 alert('已注册获取“分享到 QQ”状态事件'); 85 }; 86 87 // 2.4 监听“分享到微博”按钮点击、自定义分享内容及分享结果接口 88 document.querySelector('#onMenuShareWeibo').onclick = function () { 89 wx.onMenuShareWeibo({ 90 title: '监听分享到微博', 91 desc: '在长大的过程中,我才慢慢发现,我身边的所有事,别人跟我说的所有事,那些所谓本来如此,注定如此的事,它们其实没有非得如此,事情是可以改变的。更重要的是,有些事既然错了,那就该做出改变。', 92 link: 'http://movie.douban.com/subject/25785114/', 93 imgUrl: 'http://img3.douban.com/view/movie_poster_cover/spst/public/p2166127561.jpg', 94 trigger: function (res) { 95 alert('用户点击分享到微博'); 96 }, 97 complete: function (res) { 98 alert(JSON.stringify(res)); 99 }, 100 success: function (res) { 101 alert('已分享'); 102 }, 103 cancel: function (res) { 104 alert('已取消'); 105 }, 106 fail: function (res) { 107 alert(JSON.stringify(res)); 108 } 109 }); 110 alert('已注册获取“分享到微博”状态事件'); 111 }; 112 113 114 // 3 智能接口 115 var voice = { 116 localId: '', 117 serverId: '' 118 }; 119 // 3.1 识别音频并返回识别结果 120 document.querySelector('#translateVoice').onclick = function () { 121 if (voice.localId == '') { 122 alert('请先使用 startRecord 接口录制一段声音'); 123 return; 124 } 125 wx.translateVoice({ 126 localId: voice.localId, 127 complete: function (res) { 128 if (res.hasOwnProperty('translateResult')) { 129 alert('识别结果:' + res.translateResult); 130 } else { 131 alert('无法识别'); 132 } 133 } 134 }); 135 }; 136 137 // 4 音频接口 138 // 4.2 开始录音 139 document.querySelector('#startRecord').onclick = function () { 140 wx.startRecord({ 141 cancel: function () { 142 alert('用户拒绝授权录音'); 143 } 144 }); 145 }; 146 147 // 4.3 停止录音 148 document.querySelector('#stopRecord').onclick = function () { 149 wx.stopRecord({ 150 success: function (res) { 151 voice.localId = res.localId; 152 }, 153 fail: function (res) { 154 alert(JSON.stringify(res)); 155 } 156 }); 157 }; 158 159 // 4.4 监听录音自动停止 160 wx.onVoiceRecordEnd({ 161 complete: function (res) { 162 voice.localId = res.localId; 163 alert('录音时间已超过一分钟'); 164 } 165 }); 166 167 // 4.5 播放音频 168 document.querySelector('#playVoice').onclick = function () { 169 if (voice.localId == '') { 170 alert('请先使用 startRecord 接口录制一段声音'); 171 return; 172 } 173 wx.playVoice({ 174 localId: voice.localId 175 }); 176 }; 177 178 // 4.6 暂停播放音频 179 document.querySelector('#pauseVoice').onclick = function () { 180 wx.pauseVoice({ 181 localId: voice.localId 182 }); 183 }; 184 185 // 4.7 停止播放音频 186 document.querySelector('#stopVoice').onclick = function () { 187 wx.stopVoice({ 188 localId: voice.localId 189 }); 190 }; 191 192 // 4.8 监听录音播放停止 193 wx.onVoicePlayEnd({ 194 complete: function (res) { 195 alert('录音(' + res.localId + ')播放结束'); 196 } 197 }); 198 199 // 4.8 上传语音 200 document.querySelector('#uploadVoice').onclick = function () { 201 if (voice.localId == '') { 202 alert('请先使用 startRecord 接口录制一段声音'); 203 return; 204 } 205 wx.uploadVoice({ 206 localId: voice.localId, 207 success: function (res) { 208 alert('上传语音成功,serverId 为' + res.serverId); 209 voice.serverId = res.serverId; 210 } 211 }); 212 }; 213 214 // 4.9 下载语音 215 document.querySelector('#downloadVoice').onclick = function () { 216 if (voice.serverId == '') { 217 alert('请先使用 uploadVoice 上传声音'); 218 return; 219 } 220 wx.downloadVoice({ 221 serverId: voice.serverId, 222 success: function (res) { 223 alert('下载语音成功,localId 为' + res.localId); 224 voice.localId = res.localId; 225 } 226 }); 227 }; 228 229 // 5 图片接口 230 // 5.1 拍照、本地选图 231 var images = { 232 localId: [], 233 serverId: [] 234 }; 235 document.querySelector('#chooseImage').onclick = function () { 236 wx.chooseImage({ 237 success: function (res) { 238 images.localId = res.localIds; 239 alert('已选择 ' + res.localIds.length + ' 张图片'); 240 } 241 }); 242 }; 243 244 // 5.2 图片预览 245 document.querySelector('#previewImage').onclick = function () { 246 wx.previewImage({ 247 current: 'http://img5.douban.com/view/photo/photo/public/p1353993776.jpg', 248 urls: [ 249 'http://img3.douban.com/view/photo/photo/public/p2152117150.jpg', 250 'http://img5.douban.com/view/photo/photo/public/p1353993776.jpg', 251 'http://img3.douban.com/view/photo/photo/public/p2152134700.jpg' 252 ] 253 }); 254 }; 255 256 // 5.3 上传图片 257 document.querySelector('#uploadImage').onclick = function () { 258 if (images.localId.length == 0) { 259 alert('请先使用 chooseImage 接口选择图片'); 260 return; 261 } 262 var i = 0, length = images.localId.length; 263 images.serverId = []; 264 function upload() { 265 wx.uploadImage({ 266 localId: images.localId[i], 267 success: function (res) { 268 i++; 269 alert('已上传:' + i + '/' + length); 270 images.serverId.push(res.serverId); 271 if (i < length) { 272 upload(); 273 } 274 }, 275 fail: function (res) { 276 alert(JSON.stringify(res)); 277 } 278 }); 279 } 280 upload(); 281 }; 282 283 // 5.4 下载图片 284 document.querySelector('#downloadImage').onclick = function () { 285 if (images.serverId.length === 0) { 286 alert('请先使用 uploadImage 上传图片'); 287 return; 288 } 289 var i = 0, length = images.serverId.length; 290 images.localId = []; 291 function download() { 292 wx.downloadImage({ 293 serverId: images.serverId[i], 294 success: function (res) { 295 i++; 296 alert('已下载:' + i + '/' + length); 297 images.localId.push(res.localId); 298 if (i < length) { 299 download(); 300 } 301 } 302 }); 303 } 304 download(); 305 }; 306 307 // 6 设备信息接口 308 // 6.1 获取当前网络状态 309 document.querySelector('#getNetworkType').onclick = function () { 310 wx.getNetworkType({ 311 success: function (res) { 312 alert(res.networkType); 313 }, 314 fail: function (res) { 315 alert(JSON.stringify(res)); 316 } 317 }); 318 }; 319 320 // 8 界面操作接口 321 // 8.1 隐藏右上角菜单 322 document.querySelector('#hideOptionMenu').onclick = function () { 323 wx.hideOptionMenu(); 324 }; 325 326 // 8.2 显示右上角菜单 327 document.querySelector('#showOptionMenu').onclick = function () { 328 wx.showOptionMenu(); 329 }; 330 331 // 8.3 批量隐藏菜单项 332 document.querySelector('#hideMenuItems').onclick = function () { 333 wx.hideMenuItems({ 334 menuList: [ 335 'menuItem:readMode', // 阅读模式 336 'menuItem:share:timeline', // 分享到朋友圈 337 'menuItem:copyUrl' // 复制链接 338 ], 339 success: function (res) { 340 alert('已隐藏“阅读模式”,“分享到朋友圈”,“复制链接”等按钮'); 341 }, 342 fail: function (res) { 343 alert(JSON.stringify(res)); 344 } 345 }); 346 }; 347 348 // 8.4 批量显示菜单项 349 document.querySelector('#showMenuItems').onclick = function () { 350 wx.showMenuItems({ 351 menuList: [ 352 'menuItem:readMode', // 阅读模式 353 'menuItem:share:timeline', // 分享到朋友圈 354 'menuItem:copyUrl' // 复制链接 355 ], 356 success: function (res) { 357 alert('已显示“阅读模式”,“分享到朋友圈”,“复制链接”等按钮'); 358 }, 359 fail: function (res) { 360 alert(JSON.stringify(res)); 361 } 362 }); 363 }; 364 365 // 8.5 隐藏所有非基本菜单项 366 document.querySelector('#hideAllNonBaseMenuItem').onclick = function () { 367 wx.hideAllNonBaseMenuItem({ 368 success: function () { 369 alert('已隐藏所有非基本菜单项'); 370 } 371 }); 372 }; 373 374 // 8.6 显示所有被隐藏的非基本菜单项 375 document.querySelector('#showAllNonBaseMenuItem').onclick = function () { 376 wx.showAllNonBaseMenuItem({ 377 success: function () { 378 alert('已显示所有非基本菜单项'); 379 } 380 }); 381 }; 382 383 // 8.7 关闭当前窗口 384 document.querySelector('#closeWindow').onclick = function () { 385 wx.closeWindow(); 386 }; 387 388 // 9 微信原生接口 389 // 9.1.1 扫描二维码并返回结果 390 document.querySelector('#scanQRCode0').onclick = function () { 391 wx.scanQRCode({ 392 desc: 'scanQRCode desc' 393 }); 394 }; 395 // 9.1.2 扫描二维码并返回结果 396 document.querySelector('#scanQRCode1').onclick = function () { 397 wx.scanQRCode({ 398 needResult: 1, 399 desc: 'scanQRCode desc', 400 success: function (res) { 401 alert(JSON.stringify(res)); 402 } 403 }); 404 }; 405 406 // 10 微信支付接口 407 // 10.1 发起一个支付请求 408 document.querySelector('#chooseWXPay').onclick = function () { 409 wx.chooseWXPay({ 410 timestamp: 1414723227, 411 nonceStr: 'noncestr', 412 package: 'addition=action_id%3dgaby1234%26limit_pay%3d&bank_type=WX&body=innertest&fee_type=1&input_charset=GBK¬ify_url=http%3A%2F%2F120.204.206.246%2Fcgi-bin%2Fmmsupport-bin%2Fnotifypay&out_trade_no=1414723227818375338&partner=1900000109&spbill_create_ip=127.0.0.1&total_fee=1&sign=432B647FE95C7BF73BCD177CEECBEF8D', 413 paySign: 'bd5b1933cda6e9548862944836a9b52e8c9a2b69' 414 }); 415 }; 416 417 // 11.3 跳转微信商品页 418 document.querySelector('#openProductSpecificView').onclick = function () { 419 wx.openProductSpecificView({ 420 productId: 'pDF3iY0ptap-mIIPYnsM5n8VtCR0' 421 }); 422 }; 423 424 // 12 微信卡券接口 425 // 12.1 添加卡券 426 document.querySelector('#addCard').onclick = function () { 427 wx.addCard({ 428 cardList: [ 429 { 430 cardId: 'pDF3iY9tv9zCGCj4jTXFOo1DxHdo', 431 cardExt: '{"code": "", "openid": "", "timestamp": "1418301401", "signature":"64e6a7cc85c6e84b726f2d1cbef1b36e9b0f9750"}' 432 }, 433 { 434 cardId: 'pDF3iY9tv9zCGCj4jTXFOo1DxHdo', 435 cardExt: '{"code": "", "openid": "", "timestamp": "1418301401", "signature":"64e6a7cc85c6e84b726f2d1cbef1b36e9b0f9750"}' 436 } 437 ], 438 success: function (res) { 439 alert('已添加卡券:' + JSON.stringify(res.cardList)); 440 } 441 }); 442 }; 443 444 // 12.2 选择卡券 445 document.querySelector('#chooseCard').onclick = function () { 446 wx.chooseCard({ 447 cardSign: '97e9c5e58aab3bdf6fd6150e599d7e5806e5cb91', 448 timestamp: 1417504553, 449 nonceStr: 'k0hGdSXKZEj3Min5', 450 success: function (res) { 451 alert('已选择卡券:' + JSON.stringify(res.cardList)); 452 } 453 }); 454 }; 455 456 // 12.3 查看卡券 457 document.querySelector('#openCard').onclick = function () { 458 alert('您没有该公众号的卡券无法打开卡券。'); 459 wx.openCard({ 460 cardList: [ 461 ] 462 }); 463 }; 464 465 var shareData = { 466 title: ' 微信JS-SDK DEMO', 467 desc: '微信JS-SDK,帮助第三方为用户提供更优质的移动web服务', 468 link: 'http://www.cnblogs.com/txw1958/', 469 imgUrl: 'http://mmbiz.qpic.cn/mmbiz/icTdbqWNOwNRt8Qia4lv7k3M9J1SKqKCImxJCt7j9rHYicKDI45jRPBxdzdyREWnk0ia0N5TMnMfth7SdxtzMvVgXg/0' 470 }; 471 wx.onMenuShareAppMessage(shareData); 472 wx.onMenuShareTimeline(shareData); 473 }); 474 475 wx.error(function (res) { 476 alert(res.errMsg); 477 });
二、HTML调用
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>微信JS-SDK Demo</title> <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=0"> <link rel="stylesheet" href="http://demo.open.weixin.qq.com/jssdk/css/style.css?ts=1420774989"> </head> <body ontouchstart=""> <div class="wxapi_container"> <div class="wxapi_index_container"> <ul class="label_box lbox_close wxapi_index_list"> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-basic">基础接口</a></li> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-share">分享接口</a></li> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-image">图像接口</a></li> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-voice">音频接口</a></li> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-smart">智能接口</a></li> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-device">设备信息接口</a></li> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-location">地理位置接口</a></li> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-webview">界面操作接口</a></li> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-scan">微信扫一扫接口</a></li> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-shopping">微信小店接口</a></li> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-card">微信卡券接口</a></li> <li class="label_item wxapi_index_item"><a class="label_inner" href="#menu-pay">微信支付接口</a></li> </ul> </div> <div class="lbox_close wxapi_form"> <h3 id="menu-basic">基础接口</h3> <span class="desc">判断当前客户端是否支持指定JS接口</span> <button class="btn btn_primary" id="checkJsApi">checkJsApi</button> <h3 id="menu-share">分享接口</h3> <span class="desc">获取“分享到朋友圈”按钮点击状态及自定义分享内容接口</span> <button class="btn btn_primary" id="onMenuShareTimeline">onMenuShareTimeline</button> <span class="desc">获取“分享给朋友”按钮点击状态及自定义分享内容接口</span> <button class="btn btn_primary" id="onMenuShareAppMessage">onMenuShareAppMessage</button> <span class="desc">获取“分享到QQ”按钮点击状态及自定义分享内容接口</span> <button class="btn btn_primary" id="onMenuShareQQ">onMenuShareQQ</button> <span class="desc">获取“分享到腾讯微博”按钮点击状态及自定义分享内容接口</span> <button class="btn btn_primary" id="onMenuShareWeibo">onMenuShareWeibo</button> <h3 id="menu-image">图像接口</h3> <span class="desc">拍照或从手机相册中选图接口</span> <button class="btn btn_primary" id="chooseImage">chooseImage</button> <span class="desc">预览图片接口</span> <button class="btn btn_primary" id="previewImage">previewImage</button> <span class="desc">上传图片接口</span> <button class="btn btn_primary" id="uploadImage">uploadImage</button> <span class="desc">下载图片接口</span> <button class="btn btn_primary" id="downloadImage">downloadImage</button> <h3 id="menu-voice">音频接口</h3> <span class="desc">开始录音接口</span> <button class="btn btn_primary" id="startRecord">startRecord</button> <span class="desc">停止录音接口</span> <button class="btn btn_primary" id="stopRecord">stopRecord</button> <span class="desc">播放语音接口</span> <button class="btn btn_primary" id="playVoice">playVoice</button> <span class="desc">暂停播放接口</span> <button class="btn btn_primary" id="pauseVoice">pauseVoice</button> <span class="desc">停止播放接口</span> <button class="btn btn_primary" id="stopVoice">stopVoice</button> <span class="desc">上传语音接口</span> <button class="btn btn_primary" id="uploadVoice">uploadVoice</button> <span class="desc">下载语音接口</span> <button class="btn btn_primary" id="downloadVoice">downloadVoice</button> <h3 id="menu-smart">智能接口</h3> <span class="desc">识别音频并返回识别结果接口</span> <button class="btn btn_primary" id="translateVoice">translateVoice</button> <h3 id="menu-device">设备信息接口</h3> <span class="desc">获取网络状态接口</span> <button class="btn btn_primary" id="getNetworkType">getNetworkType</button> <h3 id="menu-location">地理位置接口</h3> <span class="desc">使用微信内置地图查看位置接口</span> <button class="btn btn_primary" id="openLocation">openLocation</button> <span class="desc">获取地理位置接口</span> <button class="btn btn_primary" id="getLocation">getLocation</button> <h3 id="menu-webview">界面操作接口</h3> <span class="desc">隐藏右上角菜单接口</span> <button class="btn btn_primary" id="hideOptionMenu">hideOptionMenu</button> <span class="desc">显示右上角菜单接口</span> <button class="btn btn_primary" id="showOptionMenu">showOptionMenu</button> <span class="desc">关闭当前网页窗口接口</span> <button class="btn btn_primary" id="closeWindow">closeWindow</button> <span class="desc">批量隐藏功能按钮接口</span> <button class="btn btn_primary" id="hideMenuItems">hideMenuItems</button> <span class="desc">批量显示功能按钮接口</span> <button class="btn btn_primary" id="showMenuItems">showMenuItems</button> <span class="desc">隐藏所有非基础按钮接口</span> <button class="btn btn_primary" id="hideAllNonBaseMenuItem">hideAllNonBaseMenuItem</button> <span class="desc">显示所有功能按钮接口</span> <button class="btn btn_primary" id="showAllNonBaseMenuItem">showAllNonBaseMenuItem</button> <h3 id="menu-scan">微信扫一扫</h3> <span class="desc">调起微信扫一扫接口</span> <button class="btn btn_primary" id="scanQRCode0">scanQRCode(微信处理结果)</button> <button class="btn btn_primary" id="scanQRCode1">scanQRCode(直接返回结果)</button> <h3 id="menu-shopping">微信小店接口</h3> <span class="desc">跳转微信商品页接口</span> <button class="btn btn_primary" id="openProductSpecificView">openProductSpecificView</button> <h3 id="menu-card">微信卡券接口</h3> <span class="desc">批量添加卡券接口</span> <button class="btn btn_primary" id="addCard">addCard</button> <span class="desc">调起适用于门店的卡券列表并获取用户选择列表</span> <button class="btn btn_primary" id="chooseCard">chooseCard</button> <span class="desc">查看微信卡包中的卡券接口</span> <button class="btn btn_primary" id="openCard">openCard</button> <h3 id="menu-pay">微信支付接口</h3> <span class="desc">发起一个微信支付请求</span> <button class="btn btn_primary" id="chooseWXPay">chooseWXPay</button> </div> </div> </body> <script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"> </script> <script> wx.config({ debug: false, appId: 'wxf8b4f85f3a794e77', timestamp: 1420774989, nonceStr: '2nDgiWM7gCxhL8v0', signature: '1f8a6552c1c99991fc8bb4e2a818fe54b2ce7687', jsApiList: [ 'checkJsApi', 'onMenuShareTimeline', 'onMenuShareAppMessage', 'onMenuShareQQ', 'onMenuShareWeibo', 'hideMenuItems', 'showMenuItems', 'hideAllNonBaseMenuItem', 'showAllNonBaseMenuItem', 'translateVoice', 'startRecord', 'stopRecord', 'onRecordEnd', 'playVoice', 'pauseVoice', 'stopVoice', 'uploadVoice', 'downloadVoice', 'chooseImage', 'previewImage', 'uploadImage', 'downloadImage', 'getNetworkType', 'openLocation', 'getLocation', 'hideOptionMenu', 'showOptionMenu', 'closeWindow', 'scanQRCode', 'chooseWXPay', 'openProductSpecificView', 'addCard', 'chooseCard', 'openCard' ] }); </script> <script src="http://demo.open.weixin.qq.com/jssdk/js/api-6.1.js?ts=1420774989"> </script> </html>
本文载自 http://www.cnblogs.com/txw1958/p/weixin-js-sdk-demo.html