310 lines
7.4 KiB
Vue
310 lines
7.4 KiB
Vue
<template>
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<view class="sign">
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<head-view title="签名"></head-view>
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<view class="containe contentFixedr">
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<view class="sign-box">
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<canvas class="mycanvas" :style="{width:width +'px',height:height +'px'}" canvas-id="mycanvas"
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@touchstart="touchstart" @touchmove="touchmove" @touchend="touchend"></canvas>
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<canvas canvas-id="camCacnvs" :style="{width:height +'px',height:width +'px'}"
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class="canvsborder"></canvas>
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</view>
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<view class="sigh-btns">
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<view class="btn qx" @click="handleCancel">取消</view>
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<view class="btn qc" @click="handleReset">清除</view>
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<view class="btn bc" @click="handleConfirm">保存</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 {
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pathToBase64,
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base64ToPath
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} from '../../js_sdk/mmmm-image-tools/index.js'
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import {
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compressImgBySize
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} from '@/common/compressImg'
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import utils from '@/common/util.js';
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var x = 20;
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var y = 20;
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var tempPoint = []; //用来存放当前画纸上的轨迹点
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var id = 0;
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var type = '';
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let that;
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let canvasw;
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let canvash;
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export default {
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data() {
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return {
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ctx: '', //绘图图像
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points: [], //路径点集合,
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width: 0,
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height: 0,
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loginObj: {},
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signImg: "",
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shipInfo: "",
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};
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},
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onLoad(option) {
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that = this;
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// id = option.id;
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// type = option.type;
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this.shipInfo = JSON.parse(decodeURIComponent(option.params))
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console.log(this.shipInfo)
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this.ctx = uni.createCanvasContext('mycanvas', this); //创建绘图对象
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//设置画笔样式
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this.ctx.lineWidth = 4;
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this.ctx.lineCap = 'round';
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this.ctx.lineJoin = 'round';
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uni.getSystemInfo({
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success: function(res) {
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console.log(res);
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that.width = res.windowWidth * 0.8;
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that.height = res.windowHeight * 0.85;
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}
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});
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this.loginObj = uni.getStorageSync('loginObj')
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},
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methods: {
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//触摸开始，获取到起点
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touchstart: function(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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/* **************************************************
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#由于uni对canvas的实现有所不同，这里需要把起点存起来
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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: function(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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tempPoint.push(movePoint);
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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: function() {
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this.points = [];
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},
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/* ***********************************************
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# 绘制笔迹
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# 1.为保证笔迹实时显示，必须在移动的同时绘制笔迹
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# 2.为保证笔迹连续，每次从路径集合中区两个点作为起点（moveTo）和终点(lineTo)
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# 3.将上一次的终点作为下一次绘制的起点（即清除第一个点）
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************************************************ */
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draw: function() {
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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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},
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handleCancel() {
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uni.navigateBack({
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delta: 1
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});
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},
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//清空画布
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handleReset: function() {
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that.ctx.clearRect(0, 0, that.width, that.height);
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that.ctx.draw(true);
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tempPoint = [];
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},
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//将签名笔迹上传到服务器，并将返回来的地址存到本地
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handleConfirm: function() {
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let that = this
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if (tempPoint.length == 0) {
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uni.showToast({
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title: '请先签名',
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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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} else {
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let that = this
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uni.canvasToTempFilePath({
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canvasId: 'mycanvas',
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success: function(e) {
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let timestamp = new Date().getTime();
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let sunumber = Math.floor(Math.random() * 999);
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var file = that.base64ToFile(e.tempFilePath, timestamp + sunumber)
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uni.uploadFile({
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url: `${that.$local}/api/file/upload`, //上传图片api
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header: {
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'Authorization': `Bearer ${that.loginObj.access_token}`
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},
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file: file,
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fileType: 'image',
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name: 'file',
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success: (res) => {
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that.signImg = JSON.parse(res.data).data.filePath
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let reqDTO = {}
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if (that.shipInfo.type == '0') {
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reqDTO = {
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yardSignFg: 1,
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yardSignUrl: that.signImg,
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vvyId: that.shipInfo.vvyId,
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}
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} else if (that.shipInfo.type == '1') {
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reqDTO = {
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tallySignFg: 1,
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tallySignUrl: that.signImg,
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vvyId: that.shipInfo.vvyId,
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}
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} else {
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reqDTO = {
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shipSignFg: 1,
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shipSignUrl: that.signImg,
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vvyId: that.shipInfo.vvyId,
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}
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}
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console.log(reqDTO)
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uni.request({
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url: `${that.$local}/shp/vesselVoyages/writeNameUrl`,
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data: reqDTO,
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header: {
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'Content-Type': 'application/json', //自定义请求头信息
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'Authorization': `Bearer ${that.loginObj.access_token}`
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},
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method: 'POST', //请求方式，必须为大写
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success: (res) => {
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console.log(res)
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let obj = {
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vvyId: that.shipInfo.vvyId,
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}
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const params = encodeURIComponent(JSON
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.stringify(obj));
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// uni.navigateTo({
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// url: '/pages/receipt/details?params=' +
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// params
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// })
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}
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})
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},
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fail: (err) => {
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console.log(err)
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}
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})
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}
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});
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}
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},
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base64ToFile(base64, name) {
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if (typeof base64 != 'string') {
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return;
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}
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var arr = base64.split(',')
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var type = arr[0].match(/:(.*?);/)[1]
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var fileExt = type.split('/')[1]
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var bstr = atob(arr[1])
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var n = bstr.length
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var u8arr = new Uint8Array(n)
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while (n--) {
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u8arr[n] = bstr.charCodeAt(n)
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}
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return new File([u8arr], `${name}.` + fileExt, {
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type: type
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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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page {
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background-color: #fff;
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}
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.container {
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height: calc(100vh - 68px);
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padding-bottom: 30px;
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background-color: #fff;
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}
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.sign-box {
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height: 90%;
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margin-left: 10%;
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display: flex;
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flex-direction: column;
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text-align: center;
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}
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.sign-view {
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height: 100%;
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}
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.sigh-btns {
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display: flex;
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justify-content: center;
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width: 100%;
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height: 80px;
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background: #FFFFFF;
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box-shadow: 0 -3px 7px 0 rgba(0, 0, 0, 0.10);
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position: fixed;
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bottom: 0;
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}
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.btn {
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margin: 15.5px 17px;
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width: 200px;
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height: 49px;
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border-radius: 2px;
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font-size: 18px;
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text-align: center;
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line-height: 49px;
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}
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.qx {
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background-color: #eee;
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}
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.qc {
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color: #0067CF;
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background-color: rgba(0, 103, 207, 0.10);
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}
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.bc {
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color: #fff;
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background: #0067CF;
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}
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.mycanvas {
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margin: auto 0rpx;
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background-color: #fbfbfb;
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border: 1px dashed #eee;
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}
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.canvsborder {
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border: 1rpx solid #333;
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position: fixed;
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top: 0;
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left: 10000rpx;
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}
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</style> |