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/* WEBPACK VAR INJECTION */(function(uni) {Object.defineProperty(exports, "__esModule", { value: true });exports.default = void 0; var _user = __webpack_require__(/*! @/api/user.js */ 27); // // // // // // // // // // // // // // // // // // // // // // // // // // // // // // // // // // // import tkiQrcode from '@/components/tki-qrcode/tki-qrcode.vue'; var _default = { // components: { tkiQrcode }, data: function data() {return { cid: 'tki-qrcode-canvas', //canvasId，页面存在多个二维码组件时需设置不同的ID size: 180, //生成的二维码大小 unit: 'upx', //大小单位尺寸 // show: true,//默认使用组件中的image标签显示二维码 val: '', //要生成的内容 background: '#ffffff', //二维码背景色 foreground: '#333333', //二维码前景色 pdground: '#333333', //二维码角标色 icon: '', //二维码图标URL（必须是本地图片，网络图需要先下载至本地） iconSize: 40, //二维码图标大小 lv: 3, //容错级别 onval: false, //监听val值变化自动重新生成二维码 loadMake: false, //组件初始化完成后自动生成二维码，val需要有值 usingComponents: false, //是否使用了自定义组件模式（主要是为了修复非自定义组件模式时 v-if 无法生成二维码的问题） showLoading: false, //是否显示loading loadingText: '二维码生成中', //loading文字 src: '', // 二维码生成后的图片地址或base64 ratio: 1, //页面比例用于计算 ctxSrc: '', //要显示的图片 loading: true, //是否载入图片中 canHeight: '', //画布高度 canWeidth: '' //画布宽度 };}, onLoad: function onLoad() {this.loadCodeList();}, onReady: function onReady() {var _this = this;var obj = this;var query = uni.createSelectorQuery(); // 获取页面比例 query.select('.content').fields({ size: true }, function (e) {// 保存比例 _this.ratio = e.width / 750;}).exec(); // 获取画布宽高信息 query.select('#qrShareBox').fields({ size: true }, function (e) {// 保存画布宽高信息 obj.canHeight = e.height;obj.canWeidth = e.width;}).exec();}, methods: { loadCodeList: function loadCodeList() { // 加载二维码信息 (0, _user.spreadBanner)({ type: 1 }). then(function (e) { // 保存二维码图片 uni.downloadFile({ url: e.data[0].wap_posterQr, success: function success(res) { if (res.errMsg == 'downloadFile:ok') { obj.src = res.tempFilePath; // 生成画布 obj.loadImg(obj.src); uni.hideLoading(); } console.log(res); }, fail: function fail(e) { console.log(e); } }); }).catch(function (e) { uni.showModal({ title: '生成失败请刷新页面', showCancel: false }); uni.hideLoading(); });; }, // 长按画布事件 alertCanv: function alertCanv() { uni.showModal({ title: '请先点击生成图片再下载', showCancel: false }); }, // 生成图片 showImg: function showImg() { uni.showLoading({ title: '图片生成中', mask: true }); var obj = this; //因为和uni.showLoading载入效果冲突需要延迟执行生成图片方法 setTimeout(function () { uni.canvasToTempFilePath({ x: 0, y: 0, width: obj.canWeidth, height: obj.canHeight, destWidth: obj.canWeidth, destHeight: obj.canHeight, fileType: 'jpg', quality: 1, canvasId: 'qrShareBox', success: function success(res) { uni.hideLoading(); uni.showModal({ title: '创建成功，长按二维码下载图片', showCancel: false }); // 显示生成的图片 obj.loading = false; // 保存图片base64 obj.ctxSrc = res.tempFilePath; }, fail: function fail(e) { console.log(e); } }); }, 50); }, // 开始渲染画布 loadImg: function loadImg(src) { var obj = this; var cavWidth = 523; //画布宽度 var cavHeight = 700; //画布高度 var ratio = obj.ratio; //获取页面比例 var ctxBg = '/static/img/img14.jpg'; //画布背景 var context = uni.createCanvasContext('qrShareBox'); var codeSize = obj.size * ratio; //计算二维码大小 var codeX = (cavWidth - obj.size) * ratio / 2; //二维码所在x轴位置 var codeY = cavHeight * ratio; //二维码所在y轴位置 var codeBoxColor = '#FFFFFF'; //包裹框颜色 var codeBoxWidht = 0; //包裹边框宽度 var codeBoxSize = codeBoxWidht / 2 * ratio; //计算二维码白色包裹框大小 var codeBoxX = codeX - codeBoxSize; //包裹框初始X轴 var codeBoxY = codeY - codeBoxSize; //包裹框初始Y轴 var codeBoxEnd = codeSize + codeBoxWidht * ratio; //计算包裹框大小 var fontTop = codeY + codeBoxEnd + (codeBoxWidht + 20) * this.ratio; //文字距离上边距高度 var fontSize = 24 * ratio; //文字大小 var fontText = ''; //文字内容 var fontLeft = (codeSize - fontSize * fontText.length) / 2 + codeX; //文字左侧距离 // 插入背景图片 context.drawImage(ctxBg, 0, 0, obj.canWeidth, obj.canHeight); // // 插入文字 context.setFontSize(fontSize); context.fillText(fontText, fontLeft, fontTop); // 插入边框 context.beginPath(); //开始画线 context.setLineJoin('round'); //边框类型 context.setLineWidth(codeBoxWidht * ratio); context.setStrokeStyle(codeBoxColor); //设置包裹框颜色 context.strokeRect(codeBoxX, codeBoxY, codeBoxEnd, codeBoxEnd); context.stroke(); //渲染线条 // 插入二维码 context.drawImage(src, codeX, codeY, codeSize, codeSize); // 开始渲染 context.draw(); }, // 創建二维码 creatQrcode: function creatQrcode() { this.$refs.qrcode._makeCode(); }, // 保存二维码到图库 saveQrcode: function saveQrcode() { this.$refs.qrcode._saveCode(); }, // 生成二维码后返回base64 qrR: function qrR(res) { this.src = res; }, //清空二维码（清空二维码会触发result回调 返回值为空） clearQrcode: function clearQrcode(e) { this.$refs.qrcode._clearCode(); this.val = ''; } } };exports.default = _default; /* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./node_modules/@dcloudio/uni-mp-weixin/dist/index.js */ 1)["default"])) /***/ }), /***/ 394: /*!************************************************************************************!*\ !*** G:/item/appBase/pages/user/shareQrCode.vue?vue&type=style&index=0&lang=scss& ***! \************************************************************************************/ /*! no static exports found */ /***/ (function(module, __webpack_exports__, __webpack_require__) { "use strict"; 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