detection-user/pages/contract/contract.vue

<!-- 线上合同 -->

<template>
	<view class="content">

		<view class="authentication_top">
			<image class="image3" style="width: 100%;margin-top: 50%;" v-if="PreviewContract" :src="contractImg"
				mode="widthFix"></image>
			<!-- 创建合成画布 -->
			<view class="bgCoverBox" v-if="publish"><canvas :style="{width:height +'px',height:width +'px'}"
					canvas-id="mycontract" class="canvsborder2"></canvas></view>
			<!-- 创建合成画布 -->
		</view>
		<!-- <view class="authentication_bottom" v-if="NavAutograph" style="background:#ffe9e9" @click="agreeSign">
			<button style="color:#f00">我已阅读上述内容，下一步>></button>
		</view> -->
		<view class="authentication_bottom" v-if="NavAutograph" style="background:#ffe9e9" @click="agreeSign">
			<button style="color:#f00">我已阅读上述内容，下一步>></button>
		</view>
		<view class="authentication_fun" v-if="Navpreservation" style="background:#fff; ">
			<button style="color:#fd972e;" @click="SigningCompleted">签署完成，去提交>></button>
		</view>
		<!-- 填写信息 -->
		<view class="inforMation" v-if="Mation == true">
			<view class="in-input" @click="show = true">
				<view class="in-left">请选择车辆：</view>
				<view class="in-right">
					<text>{{showtext}}</text>
				</view>
			</view>
			<view class="in-box">
				<view class="in-input">
					<view class="in-left">请选择人：</view>
					<view class="in-right">
						<input type="text" v-model="showtext1" @input="getcarlist" @blur="getcarlist"
							@confirm="getcarlist" placeholder="输入姓名/手机号">
					</view>
				</view>
				<scroll-view class="l-bai" scroll-y="true">
					<view class="renname" v-for="(item,index) in columns1" :key="index">
						<view class="dix">
							<view class="ming">{{item.nickname}}</view>
							<view class="tel">{{item.mobile}}</view>
						</view>
						<view class="anniux" @click="getren(item.id,item.nickname)">
							<text>选择</text>
						</view>
					</view>
					<view class="lanzi" v-if="columns1" @click="jja">
						<text>点击加载更多</text>
					</view>
					<view class="lanzi" v-else>
						<text>暂无信息</text>
					</view>
				</scroll-view>




			</view>


			<view class="anniu" @click="getsignature()">
				<text>下一步</text>
			</view>
		</view>
		<!-- 签字弹窗 status -->
		<view class="signMask" v-if="autographStatus">
			<view class="sigh-btns">
				<button class="btn" @tap="handleCancel">取消</button>
				<button class="btn" @tap="handleReset">重写</button>
				<button class="btn" @tap="handleConfirm">确认</button>
			</view>
			<view class="sign-box">
				<canvas class="mycanvas" :style="{width:width +'px',height:height +'px'}" canvas-id="mycanvas"
					@touchstart="touchstart" @touchmove="touchmove" @touchend="touchend"></canvas>
				<canvas canvas-id="camCacnvs" :style="{width:height +'px',height:width +'px'}"
					class="canvsborder"></canvas>
			</view>
		</view>
		<u-picker :show="show" :columns="columns" keyName="carBrand" @confirm="confirm1" @cancel="close1"></u-picker>

		<!-- 签字弹窗 end -->

	</view>
</template>
<script>
	import request from '../../utils/newRequest'
	import {
		getToken
	} from '@/utils/auth'
	import config from '@/config'
	var x = 20;
	var y = 20;
	var tempPoint = []; //用来存放当前画纸上的轨迹点
	var id = 0;
	var type = '';
	let that;
	let canvasw;
	let canvash;
	export default {
		data() {
			return {
				status: 'loadmore',
				searchValue: '',
				wtr: '',
				sfz: '',
				position: '',
				carNum: '',
				phone: '',
				cbgs: '',
				kcyPhone: '',
				lc: '',
				rs: '',
				sjqk: '',
				jbr: '',
				signImage: '',
				Mation: false,
				contractImg: '../../static/images/ppg.jpg', //合同路径
				ctx: '', //绘图图像
				points: [], //路径点集合,
				width: 0,
				height: 0,
				autographStatus: false,
				publish: false,
				PreviewContract: true,
				NavAutograph: true,
				Navpreservation: false,
				show: false,
				showtext: '请选择',
				columns: [],
				show1: false,
				showtext1: '',
				columns1: null,
				wtrId: '',
				carnum: '',
				pageSize: 5,
				pageNum: 1,
			}
		},
		onLoad(option) {
			this.contractImg = 'http://www.nuoyunr.com/lananRsc/detection' + '/inspectionWts.png'
			that = this;
			id = option.id;
			type = option.type;
			this.ctx = uni.createCanvasContext('mycanvas', this); //创建绘图对象
			//设置画笔样式
			this.ctx.lineWidth = 20;
			this.ctx.lineCap = 'round';
			this.ctx.lineJoin = 'round';
			uni.getSystemInfo({
				success: function(res) {

					that.width = res.windowWidth * 0.8;
					that.height = res.windowHeight * 0.85;
				}
			});
		},
		onShow() {
			const t = this;
			this.getcarlist()
			uni.getStorage({
				key: 'autograph_key',
				success: function(res) {
					if (res.data !== '') {
						t.contractImg = res.data
						t.PreviewContract = true;
						t.publish = false;
						t.NavAutograph = false
					}
				}
			});
		},

		methods: {
			jja() {
				let that = this
				this.pageSize++
				that.getcarlist()
				console.log(this.pageSize);
			},

			async getcarlist() {
				let resc = await request({
					url: '/app-api/appInspection/userOwn/getCars',
					method: 'get',
				})
				console.log(resc);
				this.columns.push(resc.data)
				let data = {
					searchValue: this.showtext1,
					pageNum: this.pageNum, //第几页
					pageSize: this.pageSize, //一页多少张
				}
				let res = await request({
					url: '/app-api/appInspection/userOwn/getDbList',
					method: 'get',
					params: data
				})
				console.log(res);
				this.columns1 = res.rows

			},
			close1() {
				this.show = false
			},
			confirm1(e) {
				this.showtext = e.value[0].carBrand
				this.carnum = e.value[0].carNo
				console.log(e);
				this.show = false

			},
			close2() {
				this.show1 = false
			},

			confirm2(e) {
				this.showtext1 = e.value[0].nickname
				this.wtrId = e.value[0].id

				console.log(e);
				this.show1 = false

			},
			getren(ids, names) {
				this.showtext1 = names
				this.wtrId = ids
			},

			agreeSign() {
				this.Mation = true
			},
			getsignature() {
				if (this.wtrId == '' || this.carnum == '') {
					uni.showToast({
						title: '以上均为必填!!!',
						icon: 'none'
					})
					return
				}

				this.autographStatus = true;
			},

			//触摸开始，获取到起点
			touchstart: function(e) {
				let startX = e.changedTouches[0].x;
				let startY = e.changedTouches[0].y;
				let startPoint = {
					X: startX,
					Y: startY
				};
				/* **************************************************
				#由于uni对canvas的实现有所不同，这里需要把起点存起来
			 * **************************************************/
				this.points.push(startPoint);

				//每次触摸开始，开启新的路径
				this.ctx.beginPath();
			},
			//触摸移动，获取到路径点
			touchmove: function(e) {
				let moveX = e.changedTouches[0].x;
				let moveY = e.changedTouches[0].y;
				let movePoint = {
					X: moveX,
					Y: moveY
				};
				this.points.push(movePoint); //存点
				let len = this.points.length;
				if (len >= 2) {
					this.draw(); //绘制路径
				}
				tempPoint.push(movePoint);
			},
			// 触摸结束，将未绘制的点清空防止对后续路径产生干扰
			touchend: function() {
				this.points = [];
			},
			/* ***********************************************	
					#   绘制笔迹
					#   1.为保证笔迹实时显示，必须在移动的同时绘制笔迹
					#   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)
					#   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）
					************************************************ */

			draw: function() {
				let point1 = this.points[0];
				let point2 = this.points[1];
				this.points.shift();
				this.ctx.moveTo(point1.X, point1.Y);
				this.ctx.lineTo(point2.X, point2.Y);
				this.ctx.stroke();
				this.ctx.draw(true);
			},
			handleCancel() {
				uni.navigateBack({
					delta: 1
				});
			},
			//清空画布
			handleReset: function() {
				console.log('handleReset');
				that.ctx.clearRect(0, 0, that.width, that.height);
				that.ctx.draw(true);
				tempPoint = [];
			},

			//将签名笔迹上传到服务器，并将返回来的地址存到本地
			async handleConfirm() {
				const t = this;
				if (tempPoint.length == 0) {
					uni.showToast({
						title: '请先签名',
						icon: 'none',
						duration: 2000
					});
					return;
				}
				uni.showLoading({
					title: '生成中'
				});
				uni.canvasToTempFilePath({
					canvasId: 'mycanvas',
					success: function(res) {
						console.log('点击确认返回', res);
						// t.objectURLToBlob(res)
						let tempPath = res.tempFilePath;
						const ctx = uni.createCanvasContext('camCacnvs', that);
						ctx.translate(0, that.width);
						ctx.rotate((270 * Math.PI) / 180);
						ctx.drawImage(tempPath, 0, 0, that.width, that.height);
						ctx.draw();
						t.urlTobase64(res.tempFilePath)
					}
				});
				uni.hideLoading();
				// 请求上传


			},

			async shangchuang(imgs) {
				uni.showLoading({
					title: '加载中'
				});
				const resx = await request({
					method: 'post',
					url: '/system/history/jcWts',
					data: {
						wtrId: this.wtrId,
						carnum: this.carnum,
						signImage: imgs
					}
				})
				console.log('成功', resx);
				if (resx.code == 200) {
					uni.hideLoading();
					uni.showToast({
						title: '提交成功',
						icon: 'none',
						duration: 2000
					})

					setTimeout(() => {
						uni.navigateBack()
					}, 2000);
				}

				if (resx.code != 200) {
					uni.hideLoading();
					uni.showToast({
						title: '网络不佳 请稍后在试' + resx.code,
						icon: 'none',
						duration: 2000
					})
					setTimeout(() => {
						uni.navigateBack()
					}, 2000);

				}



			},
			urlTobase64(url) {
				uni.getFileSystemManager().readFile({
					filePath: url,
					encoding: 'base64',
					success: res => {
						let base64 = 'data:image/jpeg;base64,' + res.data; //不加上这串字符，在页面无法显示
						console.log(base64, "base64")
						this.shangchuang(base64)
						// upFile({
						// 			'base64': base64
						// 		}).then(res2 => {
						// 			console.log(res2.data.url, "res2res2res2res2")

						// 		})
					}
				})

			},

			objectURLToBlob(url) {
				// console.log(url.tempFilePath,'121212')
				uni.request({
					url: url.tempFilePath,
					method: "GET",
					responseType: "arraybuffer",
					success: (ress) => {
						console.log(ress);
						const base64 = uni.arrayBufferToBase64(ress.data)
						// console.log('data:image/png;base64,'+ base64,'signFile')
						let imgs = 'data:image/png;base64,' + base64
						console.log('转换base格式后', imgs);
						// this.shangchuang(imgs)
						// upFile({
						// 			'base64': imgs
						// 		}).then(res2 => {
						// 			console.log(res2, "res2res2res2res2")
						// 			})

						// // 
					},
					fail: (res) => {
						console.log(res)
					}
				});

			},

			preservationImg() {
				const t = this;
				uni.downloadFile({
					url: t.contractImg,
					success: res => {
						if (res.statusCode == 200) {
							uni.saveImageToPhotosAlbum({
								filePath: res.tempFilePath,
								success: function() {
									uni.showToast({
										title: '保存成功',
										icon: 'none',
										duration: 2000
									});
								},
								fail: function() {
									uni.showToast({
										title: '保存失败',
										icon: 'none',
										duration: 2000
									});
								}
							});
						} else {
							uni.showToast({
								title: '第三方网络错误',
								icon: 'none',
								duration: 2000
							});
						}
					}
				});
			},
			SigningCompleted() {
				uni.showToast({
					title: '您发起了提交',
					icon: 'none'
				})

				const t = this;
				let ImgType = t.contractImg.split(".")
				uni.getFileSystemManager().readFile({
					filePath: t.contractImg,
					encoding: 'base64',
					success: async (res) => {
						t.contractImg = 'data:image/png;base64,' + res.data;
						uni.showLoading({
							title: '提交中',
						});
						console.log(res.data)
						return
						const result = await t.$req("/user/upload/img", {
							uid: t.user.uid,
							type: ImgType[1],
							img: res.data,
							place: 'sign',
						})
						let rd = result.data
						// console.log(rd)
						if (rd.code == 0) {
							let data = rd.data
							t.contractImg = data.url;
							uni.hideLoading();
							uni.setStorage({
								key: 'autograph_key',
								data: t.contractImg,
								success: function() {
									console.log("签字", 'success');
								}
							});
							uni.navigateBack({
								delta: 1
							}); // 返回上一页								
						}
					}
				})
			},
			ReSign: function() {
				// console.log(this.ctx)
				this.autographStatus = true
			}
		}
	}
</script>
<style>
	.lanzi {
		margin-top: 20px;
		width: 100%;
		display: flex;
		align-items: center;
		justify-content: center;
		font-size: 16px;
		font-weight: 400;
		color: #0D2E8D;
	}

	.l-bai {
		width: 100%;
		height: 220px;
		box-sizing: border-box;
		padding: 15px;
		background: #FFFFFF;
		border-radius: 5px;
		white-space: nowrap;
		overflow: hidden;
	}

	.ming {
		font-size: 16px;
		font-weight: 400;
		color: #333333;
		margin-right: 10px;
	}

	.tel {
		font-size: 16px;
		font-weight: 400;
		color: #999999;
	}

	.renname {
		width: 100%;
		display: flex;
		align-items: center;
		justify-content: space-between;
		box-sizing: border-box;
		padding: 10px;
	}

	.dix {
		display: flex;
		align-items: center;

	}

	.anniux {
		width: 55px;
		height: 25px;
		display: flex;
		align-items: center;
		justify-content: center;
		color: white;
		background: #0D2E8D;
		border-radius: 50px;
		font-size: 15px;
	}

	.image3 {}

	.in-box {
		background-color: white;
		width: 100%;
		border-bottom: 1px solid #E8E8E8;
		box-sizing: border-box;
	}

	.anniu {
		width: 95%;
		height: 40px;
		margin: 0 auto;
		border-radius: 50px;
		display: flex;
		justify-content: center;
		align-items: center;
		color: #333333;
		background: #0D2E8D;
		margin-top: 10px;
		color: white;
	}

	.inforMation {
		width: 100%;
		height: 100%;
		box-sizing: border-box;
		padding-top: 88px;
		background: #F6F6F6;
		position: fixed;
		top: 0;
		left: 0;
		right: 0;
		box-sizing: border-box;
	}

	.in-input {
		background-color: white;
		width: 100%;
		border-bottom: 1px solid #E8E8E8;
		display: flex;
		justify-content: space-between;
		align-items: center;
		box-sizing: border-box;
		padding: 20px;
	}

	.in-left {
		font-size: 16px;
		font-weight: bold;
		color: #333333;
	}

	.in-right {
		font-size: 16px;
		font-weight: 400;
		color: #C2C2C2;
		text-align: right;
	}

	.authentication_top {
		width: 100%;
		height: 90%;
		position: fixed;
		top: 0;
		left: 0;
		right: 0;
		margin: auto;
		overflow-y: scroll;
		padding-bottom: 40rpx
	}

	.authentication_top image {
		width: 100%;
		display: inline-block
	}

	.authentication_bottom {
		width: 100%;
		height: 10%;
		position: fixed;
		bottom: 0;
		left: 0;
		right: 0;
		margin: auto;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		background: #ffe9e9
	}

	.authentication_bottom button {
		background: 0 0;
		border: none;
		font-size: 15px;
		color: red;
		width: 100%;
		text-align: center
	}

	.authentication_bottom button:after {
		display: none
	}

	.authentication_fun {
		width: 100%;
		height: 10%;
		position: fixed;
		bottom: 30rpx;
		left: 0;
		right: 0;
		margin: auto;
		display: flex;
		flex-direction: row;
		justify-content: center;
		align-items: center;
		background: #ffe9e9;
		padding: 0 3%;
		width: 90%;
		border-radius: 50px;
		box-shadow: 0 3px 13px rgba(0, 0, 0, .2);
		border: 4px solid #fd972e;
		box-sizing: border-box
	}

	.authentication_fun button {
		border: none;
		font-size: 15px;
		background: 0 0;
		width: 100%;
		text-align: center
	}

	.authentication_fun button:after {
		display: none
	}

	.signMask {
		width: 100%;
		height: 100%;
		background: #fff;
		position: fixed;
		top: 0;
		bottom: 0;
		left: 0;
		right: 0;
		flex-direction: row
	}

	.sign-box,
	.signMask {
		margin: auto;
		display: flex
	}

	.sign-box {
		width: 80%;
		height: 90%;
		flex-direction: column;
		text-align: center
	}

	.sigh-btns,
	.sign-view {
		height: 100%
	}

	.sigh-btns {
		margin: auto;
		display: flex;
		flex-direction: column;
		justify-content: space-around
	}

	.btn {
		margin: auto;
		padding: 8rpx 40rpx;
		font-size: 14px;
		transform: rotate(90deg);
		border: 1rpx solid grey
	}

	.mycanvas {
		margin: auto 0rpx;
		background-color: #ececec
	}

	.canvsborder {
		border: 1rpx solid #333;
		position: fixed;
		top: 0;
		left: 10000rpx
	}

	.bgCoverBox {
		width: 100%;
		height: auto
	}

	.canvsborder2 {
		height: 700px !important
	}
</style>