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253 lines
6.0 KiB
253 lines
6.0 KiB
<template>
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<view class="pageBg">
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<view class="signature-box">
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<view class="topTps">需要您签名确认学时</view>
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<!-- 签名 -->
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<view class="signature">
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<canvas ref="mycanvas" class="mycanvas" canvas-id="mycanvas" @touchstart="touchstart" @touchmove="touchmove"
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@touchend="touchend"></canvas>
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</view>
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<view class="footBox">
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<view class="checkCon">
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<u-checkbox-group>
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<!-- <u-checkbox v-model="checked">本人【 {{realName}} 】承诺以上签名真实有效</u-checkbox> -->
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<u-checkbox :checked="checked" :label="`本人【 ${realName} 】承诺以上签名真实有效`" :labelSize="12" @change="checkedchange" ></u-checkbox>
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</u-checkbox-group>
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</view>
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<view class="footBtn">
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<view class="btn border" @click="clear">重签</view>
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<view class="btn" @click="finish">提交</view>
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</view>
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</view>
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</view>
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</view>
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</template>
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<script>
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// import { pathToBase64 } from '@/common/js/jssdk_image_tools.js'
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import { uploadImgApi } from '@/config/utils.js'
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import { addSign } from '@/config/api.js'
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var x = 20;
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var y = 20;
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export default {
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data() {
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return {
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//绘图图像
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ctx: '',
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//路径点集合
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points: [],
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//签名图片
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SignatureImg: '',
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hasSign: false,
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realName: '',
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checked: false,
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subject: 1,
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};
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},
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onLoad(options) {
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this.subject = options.subject
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},
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mounted() {
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this.createCanvas();
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this.realName = this.vuex_userInfo.name
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console.log(this.vuex_userInfo.name)
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},
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methods: {
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checkedchange(val) {
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this.checked = val
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},
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//关闭并清空画布
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close() {
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this.$emit('closeCanvas');
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this.clear();
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},
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//创建并显示画布
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createCanvas() {
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this.ctx = uni.createCanvasContext('mycanvas', this); //创建绘图对象
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this.ctx.setFillStyle('#000000')
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this.ctx.fillStyle = '#000000'
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//设置画笔样式
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this.ctx.lineWidth = 6;
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this.ctx.lineCap = 'round';
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this.ctx.lineJoin = 'round';
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},
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//触摸开始,获取到起点
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touchstart(e) {
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let startX = e.changedTouches[0].x;
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let startY = e.changedTouches[0].y;
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let startPoint = {
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X: startX,
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Y: startY
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};
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this.points.push(startPoint);
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//每次触摸开始,开启新的路径
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this.ctx.beginPath();
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},
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//触摸移动,获取到路径点
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touchmove(e) {
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let moveX = e.changedTouches[0].x;
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let moveY = e.changedTouches[0].y;
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let movePoint = {
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X: moveX,
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Y: moveY
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};
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this.points.push(movePoint); //存点
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let len = this.points.length;
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if (len >= 2) {
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this.draw(); //绘制路径
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}
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},
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// 触摸结束,将未绘制的点清空防止对后续路径产生干扰
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touchend() {
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this.points = [];
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},
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//绘制笔迹
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draw() {
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let point1 = this.points[0];
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let point2 = this.points[1];
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this.points.shift();
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this.ctx.moveTo(point1.X, point1.Y);
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this.ctx.lineTo(point2.X, point2.Y);
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this.ctx.stroke();
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this.ctx.draw(true);
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this.hasSign = true
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},
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//清空画布
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clear() {
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this.hasSign = false
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let that = this;
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this.createCanvas();
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uni.getSystemInfo({
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success: function(res) {
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let canvasw = res.windowWidth;
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let canvash = res.windowHeight;
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that.ctx.clearRect(0, 0, canvasw, canvash);
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that.ctx.draw(true);
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}
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});
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},
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//完成绘画并保存到本地
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finish() {
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if(!this.checked) {
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return this.$u.toast('请勾选承诺')
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}
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if (!this.hasSign) {
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uni.showToast({
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title: '签名为空不能保存',
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icon: 'none',
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duration: 2000
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})
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return
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}
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let that = this;
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uni.canvasToTempFilePath({
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canvasId: 'mycanvas',
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destWidth:160,
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success: async function (res) {
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console.log('图片上传结果')
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console.log(res)
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if(!res || !res.tempFilePath) {
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console.log('没来这里?')
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that.SignatureImg = res.tempFilePath;
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console.log(that.SignatureImg)
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// that.$emit('closeCanvas', that.SignatureImg);
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}else{
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that.$emit('closeCanvas', res.tempFilePath);
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console.log('这是临时路径?')
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const imgLink = await uploadImgApi(res.tempFilePath, 'signatureImg', 'sign')
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console.log(imgLink)
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that.periodConfirmFn(imgLink)
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// //用来解决安卓真机获取到的是canvas图片的临时路径,转成base64格式
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// pathToBase64(res.tempFilePath).then(re => {
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// that.SignatureImg = re;
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// that.$emit('getCanvasImg', that.SignatureImg);
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// })
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}
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},
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});
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},
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async periodConfirmFn(signUrl) {
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const obj = {
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signUrl,
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}
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const {data: res} = await addSign(obj)
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if(res) {
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this.$u.toast('签名成功啦')
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setTimeout(()=>{
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uni.switchTab({
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url: '/pages/tabbar/statistics/index'
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})
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},1000)
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}
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}
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}
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};
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</script>
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<style lang="scss" scoped>
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.signature-box {
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padding: 0 32rpx;
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display: flex;
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flex-direction: column;
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width: 100%;
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// height: 98%;
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height: calc(100vh - 50rpx);
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background: #fff;
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.topTps {
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width: 100%;
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border-radius: 8rpx;
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background-color: #f1f1f1;
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height: 110rpx;
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line-height: 110rpx;
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text-align: center;
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font-size: 34rpx;
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color: #333;
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}
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.footBox {
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.checkCon {
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width: 100%;
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height: 100rpx;
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display: flex;
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align-items: center;
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}
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.footBtn {
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display: flex;
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justify-content: space-between;
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.btn {
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width: 49%;
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font-size: 32rpx;
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line-height: 90rpx;
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height: 90rpx;
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color: #fff;
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border-radius: 14rpx;
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background: linear-gradient(180deg, #3593FB 0%, #53D3E5 100%);;
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text-align: center;
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&.border {
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border: 1rpx solid #218dff ;
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color: #218dff;
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background: #fff;
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}
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}
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}
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}
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//签名模块
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.signature {
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flex: 1;
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// height: 0;
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// width: 0;
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//canvas
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.mycanvas {
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width:100%;
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height:100%;
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background-color: #fff;
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border-radius: 10px 10px 0 0;
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}
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}
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}
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</style>
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