184 lines
6.0 KiB
Vue
184 lines
6.0 KiB
Vue
<template>
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<view>
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<canvas v-if="imgList.imgWidth" canvas-id="myCanvas"
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:style="`width:${imgList.imgWidth}px;height:${imgList.imgHeight}px;`"></canvas>
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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 '@/utils/imgPachToBase64/index.js'
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import CanvarsImg from '@/static/CanvarsImg.png';
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export default {
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data() {
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return {
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imgUrl: '',
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date: '', //现在时间
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weatherInfo: '--', //天气
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adressDetail: '--', //地址
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url: ''
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}
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},
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props: ['imgList'],
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watch: {
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},
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mounted() {
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console.log("啦啦啦啦啦", this.imgList)
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let that = this;
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this.date = this.dateFormat(new Date().toISOString())
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this.loadWeather();
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},
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methods: {
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//获取天气温度等信息
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loadWeather() {
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let that = this
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uni.getLocation({
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type: 'gcj02',
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geocode: true,
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isHighAccuracy: "true",
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accuracy: "best", // 精度值为20m
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success: function(res) {
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console.log('当前位置的经度：' + res.longitude);
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console.log('当前位置的纬度：' + res.latitude);
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var location = res.longitude + ',' + res.latitude
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// var location = '113.804826,22676933'
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console.log("location", location)
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uni.request({
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url: "https://restapi.amap.com/v3/geocode/regeo",
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data: {
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key: "56c91fb2683e5bf0f46014ac200d4c1b",
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location: location
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},
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method: "GET",
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success(res) {
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console.log("地址", res)
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if (res.data.status == "1") {
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//总地址
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var one = res.data.regeocode.formatted_address
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if (one) {
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that.adressDetail = one.substr(3, 3) + one.substr(9, 4) + one
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.substr(20, 7)
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}
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var city = res.data.regeocode.addressComponent.city
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console.log("地址", that.adressDetail)
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uni.request({
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url: "http://restapi.amap.com/v3/weather/weatherInfo",
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data: {
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key: "56c91fb2683e5bf0f46014ac200d4c1b",
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city: city,
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extensions: "base",
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output: "JSON",
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},
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method: "GET",
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success(res) {
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if (res.data.status == "1") {
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that.weatherInfo = res.data.lives[0].weather
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console.log("成功获取天气地址")
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that.canversImg();
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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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}
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});
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},
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canversImg() {
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uni.showLoading({
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title: '正在合成中'
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})
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let that = this
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console.log('我开始画啦 ：'+JSON.stringify(that.imgList))
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const ctx = uni.createCanvasContext('myCanvas', that); //获取一个画布对象
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ctx.drawImage(that.imgList.imgUrl, 0, 0, that.imgList.imgWidth, that.imgList
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.imgHeight); //画一个图片底图（路径，位置，大小）
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ctx.drawImage(CanvarsImg, that.imgList.imgWidth * 0.52, that.imgList
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.imgHeight *
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0.72, that.imgList.imgWidth * 0.50, that.imgList.imgHeight * 0.22); //画一个图片底图（路径，位置，大小）
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ctx.setFillStyle('#FFFFFF'); // 文字颜色
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ctx.setFontSize(25); // 文字字号
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ctx.fillText('详情', that.imgList.imgWidth * 0.73, that.imgList.imgHeight * 0.755); // 绘制文字
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ctx.setFillStyle('#000000'); // 文字颜色
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// ctx.fillText('负责人：' + (that.imgList.name ? that.imgList.name : '暂无'), that.imgList.imgWidth *
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// 0.56, that
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// .imgList.imgHeight * 0.8); // 绘制文字
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// ctx.fillText('班 组：' + (that.imgList.team ? that.imgList.team : '暂无'), that.imgList.imgWidth *
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// 0.56, that
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// .imgList.imgHeight * 0.825); // 绘制文字
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ctx.fillText('天 气：' + that.weatherInfo, that.imgList.imgWidth * 0.56, that.imgList
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.imgHeight *
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0.8); // 绘制文字
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ctx.fillText('拍摄时间：' + that.date, that.imgList.imgWidth * 0.56, that.imgList.imgHeight *
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0.84); // 绘制文字
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ctx.fillText('地 点：' + that.adressDetail, that.imgList.imgWidth * 0.56, that.imgList
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.imgHeight *
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0.88); // 绘制文字
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console.log('canvs画布返回的地址：---',that.adressDetail);
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ctx.draw(false, () => {
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// canvas画布转成图片并返回图片地址
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uni.canvasToTempFilePath({
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canvasId: 'myCanvas',
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width: that.imgList.imgWidth,
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height: that.imgList.imgHeight,
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destWidth: that.imgList.imgWidth,
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destHeight: that.imgList.imgHeight,
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// quality: 0.1,
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fileType: 'png',
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success: res => {
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console.log("成功啦返回的地址", res.tempFilePath)
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this.photosBtn(res.tempFilePath)
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that.imgUrl = res.tempFilePath;
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that.showShareImg = true;
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uni.showToast({
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title: '绘制成功'
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});
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uni.hideLoading()
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},
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fail: err => {
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uni.showToast({
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title: '绘制失败'
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});
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},
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complete: () => {
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uni.hideLoading();
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uni.hideToast();
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uni.hideLoading()
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}
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}, );
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});
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},
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photosBtn(url) {
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let that = this
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pathToBase64(url).then(data => {
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// console.log('转换后的base64格式的图片', data); //data为base64格式的图片
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that.$emit('imgUrl', data)
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that.imgList.imgWidth = null
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})
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},
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dateFormat(time) {
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let date = new Date(time);
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let year = date.getFullYear();
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// 在日期格式中，月份是从0开始的，因此要加0，使用三元表达式在小于10的前面加0，以达到格式统一 如 09:11:05
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let month = date.getMonth() + 1 < 10 ? "0" + (date.getMonth() + 1) : date.getMonth() + 1;
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let day = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
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let hours = date.getHours() < 10 ? "0" + date.getHours() : date.getHours();
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let minutes = date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes();
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let seconds = date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds();
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// 拼接
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return year + "年" + month + "月" + day + "日" + hours + ":" + minutes + ":" + seconds;
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// return year + "-" + month + "-" + day;
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},
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}
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}
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</script>
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<style>
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</style>
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