<template>
<view>
<cu-custom bgColor="bg-gradual-blueness" :isBack="true" :isRingt="true">
<block slot="backText">返回</block>
<block slot="content">检查信息</block>
</cu-custom>
<scroll-view scroll-y>
<view class="cu-form-group">
<view class="title">日期选择</view>
<picker disabled mode="date" :value="date" start="2015-09-01" :end="date" @change="DateChange">
<view class="picker">
{{date}}
</view>
</picker>
</view>
<view class="cu-form-group">
<view class="title">时间选择</view>
<picker disabled mode="time" :value="time" start="09:01" end="21:01" @change="TimeChange">
<view class="picker">
{{time}}
</view>
</picker>
</view>
<view class="ace-list mt30">
<view class="ace-title">
<text class="text-semi">检查部门&人</text>
<button class="cu-btn round bg-blue" @click="addOther">添加</button>
</view>
<view class="acb-content">
<view class="add_pard_item" v-for="(item,index) of other">
<view class="add_pard_del" v-if="index>0" @click="removeOther(index)">
<text class="cuIcon-roundclosefill text-red f40"></text>
</view>
<view class="cu-form-group">
<view class="title">检查部门</view>
<view class="picker-tree-box">
<view class="picker-tree" @tap="showYsTree(index)">{{other[index].DEPARTMENT_NAME?other[index].DEPARTMENT_NAME:'请选择'}}</view>
</view>
<tki-tree :ref="'tkiTree'+index"
:selectParent=true
:range="treeNode"
rangeKey="name"
@confirm="ystreeConfirm($event,index)"></tki-tree>
</view>
<view class="cu-form-group">
<view class="title">检查人</view>
<picker @change="PickerYsr($event,index)" :value="other[index].index" @click="haveUser(otherUserList[index])" :disabled="otherUserList[index] ==null || otherUserList[index].length==0" :range="otherUserList[index]" range-key="NAME">
<view class="picker">
{{other[index].USER_NAME?other[index].USER_NAME:'请选择'}}
</view>
</picker>
</view>
</view>
</view>
</view>
<view class="ace-list mt30">
<view class="ace-title">
<text class="text-semi">其他隐患信息</text>
<button class="cu-btn round bg-blue" @click="$noMultipleClicks(addOtherHidden)">添加</button>
</view>
<view class="ace-content" v-show="otherHiddenList && otherHiddenList.length > 0">
<view class="add_pard_item" v-for="(item,index) of otherHiddenList">
<view class="add_pard_del" @click="removeOtherHidden(item.HIDDEN_ID)">
<text class="cuIcon-roundclosefill text-red f40"></text>
</view>
<view class="cu-form-textarea" @click="$noMultipleClicks(goToEdit,item.HIDDEN_ID)">
<view class="cu-form-title">隐患描述</view>
<textarea disabled placeholder="请输入备注信息..." v-model="item.HIDDENDESCR"></textarea>
</view>
<view class="cuIcon-infofill text-blue unqualified"></view>
</view>
</view>
</view>
<view class="cu-form-textarea margin-top">
<view class="cu-form-title">备注</view>
<textarea placeholder="请输入备注信息..." v-model="DESCR"></textarea>
</view>
<view class="cu-form-group margin-top">
<view class="title">检查人签字</view>
<button class="cu-btn bg-green shadow" @tap="showModal" data-target="Modal">手写签字</button>
</view>
<view class="cu-bar bg-white" v-show="imgList && imgList.length > 0">
<view class="action">
签字照片
</view>
<!-- <view class="action">
{{imgList.length}}/4
</view> -->
</view>
<view class="cu-form-group" v-show="imgList && imgList.length > 0">
<view class="grid col-4 grid-square flex-sub">
<view style="width: 60%;" class="bg-img" v-for="(item,index) in imgList" :key="index" @tap="ViewImage" data-type="0" :data-url="imgList[index].filePath">
<image :src="imgList[index].filePath" mode="aspectFill"></image>
<view class="cu-tag bg-red" @tap.stop="DelImg" data-type="0" :data-index="index">
<text class='cuIcon-close'></text>
</view>
</view>
</view>
</view>
<view class="cu-modal" :class="modalName=='Modal'?'show':''">
<view class="cu-dialog">
<view class="cu-bar bg-white justify-end">
<view class="content">签名</view>
<view class="action" @tap="hideModal">
<text class="cuIcon-close text-red"></text>
</view>
</view>
<view>
<view class="wrapper">
<view class="handCenter">
<canvas
class="handWriting"
:disable-scroll="true"
@touchstart="uploadScaleStart"
@touchmove="uploadScaleMove"
@touchend="uploadScaleEnd"
canvas-id="handWriting"
></canvas>
</view>
<!-- <view class="handBtn">
<image
@click="selectColorEvent('black','#1A1A1A')"
:src="selectColor === 'black' ? '/static/color_black_selected.png' : '/static/color_black.png'"
:class="[selectColor === 'black' ? 'color_select' : '', 'black-select']"
></image>
<image
@click="selectColorEvent('red','#ca262a')"
:src="selectColor === 'red' ? '/static/color_red_selected.png' : '/static/color_red.png'"
:class="[selectColor === 'red' ? 'color_select' : '', 'black-select']"
></image>
<button @click="retDraw" class="delBtn">重写</button>
<button @click="subCanvas" class="subBtn">完成</button>
</view> -->
</view>
</view>
<view class="cu-bar bg-white justify-end">
<view class="action">
<button class="cu-btn line-green text-green" @click="retDraw">重写</button>
<button class="cu-btn bg-green margin-left" @click="subCanvas" >完成</button>
</view>
</view>
</view>
</view>
<view class="cu-tabbar-height"></view>
</scroll-view>
<view class="bottom-fixed" @click="$noMultipleClicks(save)">
<button :loading="buttonloading" class="cu-btn bg-green" >提 交</button>
</view>
</view>
</template>
<script>
import {
basePath,corpinfoId,loginSession,loginUser,formatDate
} from '@/common/tool.js';
import tkiTree from "@/components/select-tree/select-tree.vue"
import gcoord from '@/common/gcoord.js'
export default {
components: {
tkiTree
},
data() {
return {
noClick:true,
buttonloading: false,
time: '12:01',
date: '2018-12-25',
other:[{"DEPARTMENT_ID":'',"USER_ID":'',"DEPARTMENT_NAME":'',"USER_NAME":'',index:-1}],//其他验收部门负责人员
otherUserList:[],
treeNode:[],//部门下拉数据
DESCR:'',
CHECKRECORD_ID:'',
listId:'',
otherHiddenList:[],
modalName:null,
imgList:[],
//手写板
canvasName: 'handWriting',
ctx: '',
canvasWidth: 0,
canvasHeight: 0,
transparent: 1, // 透明度
selectColor: 'black',
lineColor: '#1A1A1A', // 颜色
lineSize: 1.5, // 笔记倍数
lineMin: 0.5, // 最小笔画半径
lineMax: 4, // 最大笔画半径
pressure: 1, // 默认压力
smoothness: 60, //顺滑度，用60的距离来计算速度
currentPoint: {},
currentLine: [], // 当前线条
firstTouch: true, // 第一次触发
radius: 1, //画圆的半径
cutArea: { top: 0, right: 0, bottom: 0, left: 0 }, //裁剪区域
bethelPoint: [], //保存所有线条 生成的贝塞尔点；
lastPoint: 0,
chirography: [], //笔迹
currentChirography: {}, //当前笔迹
linePrack: [], //划线轨迹 , 生成线条的实际点
}
},
onLoad(e) {
let now = new Date();
this.date = formatDate(now, 'yyyy-MM-dd');
this.time = formatDate(now, 'hh:mm');
this.CHECKRECORD_ID = e.CHECKRECORD_ID;
this.listId = e.listId;
this.getDept();
},
onReady(e){
//手写板
let canvasName = this.canvasName;
let ctx = uni.createCanvasContext(canvasName);
this.ctx = ctx;
var query = uni.createSelectorQuery();
query
.select('.handCenter')
.boundingClientRect(rect => {
this.canvasWidth = rect.width;
this.canvasHeight = rect.height;
/* 将canvas背景设置为 白底，不设置 导出的canvas的背景为透明 */
this.setCanvasBg('#fff');
})
.exec();
},
onShow() {
this.getOtherHidden();
},
methods: {
showModal(e) {
this.modalName = e.currentTarget.dataset.target
},
TimeChange(e) {
this.time = e.detail.value
},
DateChange(e) {
this.date = e.detail.value
},
save(){
var _this = this;
uni.showLoading({
title: '请稍候'
})
if (!_this.other[0].USER_ID) {
uni.showToast({
icon: 'none',
title: '请添加检查人',
duration: 1500
});
return;
}
var fileList = [];
for (var i = 0; i < _this.imgList.length; i++) {
if(!_this.imgList[i].id){
var file = {};
file.type = 13;
file.filePath = _this.imgList[i].filePath;
fileList.push(file);
}
}
new Promise((resolve, reject) => {
_this.submit().then(() => {resolve();})
}).then(() => {
var i=0;
_this.uploadImg(fileList,i).then(() => {resolve();})
}).then(() => {
uni.showToast({
icon: 'none',
title: '提交成功',
duration: 1500
});
setTimeout(function(){
var pages = getCurrentPages(); // 获取当前页面栈
var prePage = pages[pages.length - 3]; // 上二级页面
prePage.$vm.initflag = true; // A 页面 init方法 为true
uni.navigateBack({delta: 2});
uni.hideLoading();
},1500);
})
},
submit(){
var _this = this;
this.buttonloading = true
return new Promise((resolve, reject) => {
uni.request({
url: basePath + "/app/customCheckRecord/finish", //提交接口 // /app/checkrecord/finish
method: 'POST',
dataType: 'json',
header:{
'Content-type':'application/x-www-form-urlencoded'
},
data: {
CHECK_TIME:_this.date+' '+_this.time+':00',
DESCR:_this.DESCR,
CHECKRECORD_ID:_this.CHECKRECORD_ID,
CUSTOM_ID:_this.listId,
OTHER:JSON.stringify(_this.other),
CORPINFO_ID:loginUser.CORPINFO_ID,
USER_ID:loginUser.USER_ID,
},
success: (res) => {
uni.hideLoading();
this.buttonloading = false
if ("success" == res.data.result) {
resolve();
}else{
uni.showToast({
icon:'none',
title: '系统错误',
duration: 2000
});
}
}
});
});
},
uploadImg(tempFilePaths,i){
return new Promise((resolve, reject) => {
var _this = this;
if(tempFilePaths.length==0){
resolve();
}
uni.showLoading({
title: '上传中'
})
uni.uploadFile({
url: basePath+'/app/imgfiles/add',
filePath: tempFilePaths[i].filePath,
name: 'FFILE',
formData: {
'TYPE': 13,
'FOREIGN_KEY': _this.CHECKRECORD_ID,
CORPINFO_ID: loginUser.CORPINFO_ID,
USER_ID: loginUser.USER_ID,
},
success: (res) => {
i++;
if (tempFilePaths.length > i) {
_this.uploadImg(tempFilePaths, i);
} else {
uni.hideLoading();
resolve();
}
},
fail: (err) => {
uni.hideLoading();
uni.showModal({
content: err.errMsg,
showCancel: false
});
}
})
})
},
//跳转事件
goToEdit(e) {
uni.navigateTo({
url: '/pages/application/hidden-trouble-investigation/hidden-trouble-app/other-hidden-add?HIDDEN_ID='+e
});
},
//根据主键ID获取数据
addOther: function(){
var _this=this;
let o = {"DEPARTMENT_ID":'',"USER_ID":'',"DEPARTMENT_NAME":'',"USER_NAME":'',index:-1};
_this.other.push(o);
let index=_this.other.length-1;
_this.otherUserList[index]=[];
},
addOtherHidden: function (){
uni.navigateTo({
url: '/pages/application/hidden-danger-check-standard/custom/other-hidden-add?listId='+ this.listId
});
},
removeOther: function(index){
this.other.splice(index,1);
this.otherUserList.splice(index,1);
},
removeOtherHidden: function(id){
var _this = this;
uni.showModal({
title: '提示',
cancelText: '确认',
confirmText: '取消',
content: '确定删除隐患信息吗？',
success: function (res) {
if (res.cancel) {
uni.request({
url: basePath + "/app/customHidden/delete", //提交接口 // /app/hidden/delete
method: 'POST',
dataType: 'json',
header:{
'Content-type':'application/x-www-form-urlencoded'
},
data: {
HIDDEN_ID: id,
CORPINFO_ID:loginUser.CORPINFO_ID,
USER_ID:loginUser.USER_ID,
},
success: (res) => {
uni.hideLoading();
if ("success" == res.data.result) {
_this.getOtherHidden();
uni.showToast({
icon: 'none',
title: '删除成功',
duration: 1500
});
}else{
uni.showToast({
icon:'none',
title: '系统错误',
duration: 2000
});
}
}
});
}
}
});
},
getOtherHidden: function (){
var _this = this;
uni.showLoading({
title: '请稍候'
})
uni.request({
url: basePath + '/app/customHidden/getOtherHidden', // /app/hidden/getOtherHidden
method: 'POST',
dataType: 'json',
header: {
'Content-type':'application/x-www-form-urlencoded'
},
data: {
CUSTOM_ID: _this.listId,
CORPINFO_ID:loginUser.CORPINFO_ID,
USER_ID:loginUser.USER_ID,
},
success: (res) => {
if("success" == res.data.result){
uni.hideLoading();
_this.otherHiddenList = res.data.hiddenList;
} else {
uni.showToast({
icon:'none',
title:'系统异常',
duration: 2000
});
}
}
});
},
haveUser(e){
if(e == null || e.length == 0){
uni.showToast({
icon:"none",
title: '请先选择有人员的部门',
duration: 2000
});
}
},
// 显示树形选择器
showYsTree(index) {
let ref = 'tkiTree'+index;
this.$refs['tkiTree'+index][0]._show();
},
// 确定回调事件
ystreeConfirm(e,index) {
this.other[index].DEPARTMENT_ID=e[0].id;
this.other[index].DEPARTMENT_NAME=e[0].name;
this.other[index].USER_ID='';
this.other[index].USER_NAME='';
this.other[index].index=-1;
this.getUserList(this.other[index].DEPARTMENT_ID,index);
this.$forceUpdate();//强制刷新
},
PickerYsr(e,index) {
this.other[index].index = e.detail.value;
this.other[index].USER_ID=this.otherUserList[index][e.detail.value]?this.otherUserList[index][e.detail.value].USER_ID:'';
this.other[index].USER_NAME=this.otherUserList[index][e.detail.value]?this.otherUserList[index][e.detail.value].NAME:'';
for (let i = 0; i < this.other.length; i++) {
if (i !== index && this.other[i].USER_ID === this.otherUserList[index][e.detail.value].USER_ID) {
uni.showToast({
title: '不能选择重复的检查人',
icon: 'none',
duration: 2000
})
this.other[index].index = ''
this.other[index].USER_ID = ''
this.other[index].USER_NAME = ''
break
}
}
this.$forceUpdate();//强制刷新
},
getDept() {
var _this = this;
uni.request({
url: basePath + '/app/sys/listTree',//部门下拉接口
method: 'POST',
dataType: 'json',
header: {
'Content-type':'application/x-www-form-urlencoded'
},
data: {
CORPINFO_ID:loginUser.CORPINFO_ID,
USER_ID:loginUser.USER_ID,
},
success: (res) => {
if("success" == res.data.result){
_this.treeNode=eval(res.data.zTreeNodes);
_this.other[0].DEPARTMENT_ID=loginUser.DEPARTMENT_ID;
_this.other[0].DEPARTMENT_NAME=loginUser.DEPARTMENT_NAME;
_this.other[0].USER_ID=loginUser.USER_ID;
_this.other[0].USER_NAME=loginUser.NAME;
_this.getUserList(_this.other[0].DEPARTMENT_ID,0);
} else {
uni.showToast({
title: res.data.message,
duration: 2000
});
}
}
});
},
//获取人员列表
getUserList(DEPARTMENT_ID,i){
//发送 post 请求
var _this = this;
uni.request({
method: 'POST',
dataType: 'json',
header: {
'Content-type':'application/x-www-form-urlencoded'
},
url: basePath+'/app/sys/listUser',
data: {
DEPARTMENT_ID:DEPARTMENT_ID,
tm:new Date().getTime(),
CORPINFO_ID:loginUser.CORPINFO_ID,
USER_ID:loginUser.USER_ID,
},
success: function(res){
if("success" == res.data.result){
if(i>-1){
_this.otherUserList[i]=[];
_this.otherUserList[i]=res.data.userList;
_this.$forceUpdate();//强制刷新
}else{
_this.rectificationUserList=res.data.userList;
}
}else{
uni.showToast({
title: res.data.message,
duration: 2000
});
}
}
})
},
// 笔迹开始
uploadScaleStart(e) {
if (e.type != 'touchstart') return false;
let ctx = this.ctx;
ctx.setFillStyle(this.lineColor); // 初始线条设置颜色
ctx.setGlobalAlpha(this.transparent); // 设置半透明
let currentPoint = {
x: e.touches[0].x,
y: e.touches[0].y
};
let currentLine = this.currentLine;
currentLine.unshift({
time: new Date().getTime(),
dis: 0,
x: currentPoint.x,
y: currentPoint.y
});
this.currentPoint = currentPoint;
// currentLine
if (this.firstTouch) {
this.cutArea = { top: currentPoint.y, right: currentPoint.x, bottom: currentPoint.y, left: currentPoint.x };
this.firstTouch = false;
}
this.pointToLine(currentLine);
},
//图片上传
ChooseImage(e) {
var _this = this;
var ss=4-this.imgList.length;
uni.chooseImage({
count: ss, //默认9
sizeType: ['original', 'compressed'], //可以指定是原图还是压缩图，默认二者都有
sourceType: ['camera','album'], //从相册选择
success: (res) => {
if(e==0) {
for (let i = 0; i < res.tempFilePaths.length; i++) {
let img={};
img.id='';
img.filePath=res.tempFilePaths[i];
this.imgList.push(img)
}
}else {
for (let i = 0; i < res.tempFilePaths.length; i++) {
let img = {};
img.id = '';
img.filePath = res.tempFilePaths[i];
this.imgList1.push(img)
}
}
}
});
},
ViewImage(e) {
console.info(e.currentTarget.dataset.type)
if(e.currentTarget.dataset.type==0) {
let files =[];
for(var i=0;i<this.imgList.length;i++){
files.push(this.imgList[i].filePath)
}
uni.previewImage({
urls: files,
current: e.currentTarget.dataset.url
});
}else{
let files =[];
for(var i=0;i<this.imgList1.length;i++){
files.push(this.imgList1[i].filePath)
}
uni.previewImage({
urls: files,
current: e.currentTarget.dataset.url
});
}
},
DelImg(e) {
var _this = this;
let i=e.currentTarget.dataset.index
uni.showModal({
title: '操作提示',
content: '确定要删除这张图片吗？',
cancelColor:"#000000",
cancelText: '取消',
confirmText: '确定',
success: res => {
if (res.confirm) {
if(e.currentTarget.dataset.type==0) {
if(_this.imgList[i].id) {
uni.showLoading({
title: '处理中'
})
uni.request({
url: basePath+'/app/imgfiles/delete',
method: 'POST',
dataType: 'json',
header: {
'Content-type':'application/x-www-form-urlencoded'
},
data: {
IMGFILES_ID: _this.imgList[i].id,
CORPINFO_ID:loginUser.CORPINFO_ID,
USER_ID:loginUser.USER_ID,
},
success: (res) => {
uni.hideLoading();
uni.showToast({
icon: 'none',
title: '删除成功',
duration: 1500
});
_this.imgList.splice(i, 1)
},
fail: (err) => {
uni.hideLoading();
uni.showModal({
content: err.errMsg,
showCancel: false
});
}
})
}else {
this.imgList.splice(e.currentTarget.dataset.index, 1)
}
}else{
if(_this.imgList1[i].id) {
uni.showLoading({
title: '处理中'
})
uni.request({
url: basePath+'/app/imgfiles/delete',
method: 'POST',
dataType: 'json',
header: {
'Content-type':'application/x-www-form-urlencoded'
},
data: {
IMGFILES_ID: _this.imgList1[i].id,
CORPINFO_ID:loginUser.CORPINFO_ID,
USER_ID:loginUser.USER_ID,
},
success: (res) => {
uni.hideLoading();
uni.showToast({
icon: 'none',
title: '删除成功',
duration: 1500
});
_this.imgList1.splice(i, 1)
},
fail: (err) => {
uni.hideLoading();
uni.showModal({
content: err.errMsg,
showCancel: false
});
}
})
}else {
this.imgList1.splice(e.currentTarget.dataset.index, 1)
}
}
}
}
})
},
hideModal(e) {
this.modalName = null
},
// 笔迹移动
uploadScaleMove(e) {
if (e.type != 'touchmove') return false;
if (e.cancelable) {
// 判断默认行为是否已经被禁用
if (!e.defaultPrevented) {
e.preventDefault();
}
}
let point = {
x: e.touches[0].x,
y: e.touches[0].y
};
//测试裁剪
if (point.y < this.cutArea.top) {
this.cutArea.top = point.y;
}
if (point.y < 0) this.cutArea.top = 0;
if (point.x > this.cutArea.right) {
this.cutArea.right = point.x;
}
if (this.canvasWidth - point.x <= 0) {
this.cutArea.right = this.canvasWidth;
}
if (point.y > this.cutArea.bottom) {
this.cutArea.bottom = point.y;
}
if (this.canvasHeight - point.y <= 0) {
this.cutArea.bottom = this.canvasHeight;
}
if (point.x < this.cutArea.left) {
this.cutArea.left = point.x;
}
if (point.x < 0) this.cutArea.left = 0;
this.lastPoint = this.currentPoint;
this.currentPoint = point;
let currentLine = this.currentLine;
currentLine.unshift({
time: new Date().getTime(),
dis: this.distance(this.currentPoint, this.lastPoint),
x: point.x,
y: point.y
});
this.pointToLine(currentLine);
},
// 笔迹结束
uploadScaleEnd(e) {
if (e.type != 'touchend') return 0;
let point = {
x: e.changedTouches[0].x,
y: e.changedTouches[0].y
};
this.lastPoint = this.currentPoint;
this.currentPoint = point;
let currentLine = this.currentLine;
currentLine.unshift({
time: new Date().getTime(),
dis: this.distance(this.currentPoint, this.lastPoint),
x: point.x,
y: point.y
});
if (currentLine.length > 2) {
var info = (currentLine[0].time - currentLine[currentLine.length - 1].time) / currentLine.length;
//$("#info").text(info.toFixed(2));
}
//一笔结束，保存笔迹的坐标点，清空，当前笔迹
//增加判断是否在手写区域；
this.pointToLine(currentLine);
var currentChirography = {
lineSize: this.lineSize,
lineColor: this.lineColor
};
var chirography = this.chirography;
chirography.unshift(currentChirography);
this.chirography = chirography;
var linePrack = this.linePrack;
linePrack.unshift(this.currentLine);
this.linePrack = linePrack;
this.currentLine = [];
},
retDraw() {
this.ctx.clearRect(0, 0, 700, 730);
this.ctx.draw();
//设置canvas背景
this.setCanvasBg('#fff');
},
//画两点之间的线条；参数为:line，会绘制最近的开始的两个点；
pointToLine(line) {
this.calcBethelLine(line);
return;
},
//计算插值的方式；
calcBethelLine(line) {
if (line.length <= 1) {
line[0].r = this.radius;
return;
}
let x0,
x1,
x2,
y0,
y1,
y2,
r0,
r1,
r2,
len,
lastRadius,
dis = 0,
time = 0,
curveValue = 0.5;
if (line.length <= 2) {
x0 = line[1].x;
y0 = line[1].y;
x2 = line[1].x + (line[0].x - line[1].x) * curveValue;
y2 = line[1].y + (line[0].y - line[1].y) * curveValue;
//x2 = line[1].x;
//y2 = line[1].y;
x1 = x0 + (x2 - x0) * curveValue;
y1 = y0 + (y2 - y0) * curveValue;
} else {
x0 = line[2].x + (line[1].x - line[2].x) * curveValue;
y0 = line[2].y + (line[1].y - line[2].y) * curveValue;
x1 = line[1].x;
y1 = line[1].y;
x2 = x1 + (line[0].x - x1) * curveValue;
y2 = y1 + (line[0].y - y1) * curveValue;
}
//从计算公式看，三个点分别是(x0,y0),(x1,y1),(x2,y2) ；(x1,y1)这个是控制点，控制点不会落在曲线上；实际上，这个点还会手写获取的实际点，却落在曲线上
len = this.distance({ x: x2, y: y2 }, { x: x0, y: y0 });
lastRadius = this.radius;
for (let n = 0; n < line.length - 1; n++) {
dis += line[n].dis;
time += line[n].time - line[n + 1].time;
if (dis > this.smoothness) break;
}
this.radius = Math.min((time / len) * this.pressure + this.lineMin, this.lineMax) * this.lineSize;
line[0].r = this.radius;
//计算笔迹半径；
if (line.length <= 2) {
r0 = (lastRadius + this.radius) / 2;
r1 = r0;
r2 = r1;
//return;
} else {
r0 = (line[2].r + line[1].r) / 2;
r1 = line[1].r;
r2 = (line[1].r + line[0].r) / 2;
}
let n = 5;
let point = [];
for (let i = 0; i < n; i++) {
let t = i / (n - 1);
let x = (1 - t) * (1 - t) * x0 + 2 * t * (1 - t) * x1 + t * t * x2;
let y = (1 - t) * (1 - t) * y0 + 2 * t * (1 - t) * y1 + t * t * y2;
let r = lastRadius + ((this.radius - lastRadius) / n) * i;
point.push({ x: x, y: y, r: r });
if (point.length == 3) {
let a = this.ctaCalc(point[0].x, point[0].y, point[0].r, point[1].x, point[1].y, point[1].r, point[2].x, point[2].y, point[2].r);
a[0].color = this.lineColor;
// let bethelPoint = this.bethelPoint;
// bethelPoint = bethelPoint.push(a);
this.bethelDraw(a, 1);
point = [{ x: x, y: y, r: r }];
}
}
this.currentLine = line;
},
//求两点之间距离
distance(a, b) {
let x = b.x - a.x;
let y = b.y - a.y;
return Math.sqrt(x * x + y * y);
},
ctaCalc(x0, y0, r0, x1, y1, r1, x2, y2, r2) {
let a = [],
vx01,
vy01,
norm,
n_x0,
n_y0,
vx21,
vy21,
n_x2,
n_y2;
vx01 = x1 - x0;
vy01 = y1 - y0;
norm = Math.sqrt(vx01 * vx01 + vy01 * vy01 + 0.0001) * 2;
vx01 = (vx01 / norm) * r0;
vy01 = (vy01 / norm) * r0;
n_x0 = vy01;
n_y0 = -vx01;
vx21 = x1 - x2;
vy21 = y1 - y2;
norm = Math.sqrt(vx21 * vx21 + vy21 * vy21 + 0.0001) * 2;
vx21 = (vx21 / norm) * r2;
vy21 = (vy21 / norm) * r2;
n_x2 = -vy21;
n_y2 = vx21;
a.push({ mx: x0 + n_x0, my: y0 + n_y0, color: '#1A1A1A' });
a.push({ c1x: x1 + n_x0, c1y: y1 + n_y0, c2x: x1 + n_x2, c2y: y1 + n_y2, ex: x2 + n_x2, ey: y2 + n_y2 });
a.push({ c1x: x2 + n_x2 - vx21, c1y: y2 + n_y2 - vy21, c2x: x2 - n_x2 - vx21, c2y: y2 - n_y2 - vy21, ex: x2 - n_x2, ey: y2 - n_y2 });
a.push({ c1x: x1 - n_x2, c1y: y1 - n_y2, c2x: x1 - n_x0, c2y: y1 - n_y0, ex: x0 - n_x0, ey: y0 - n_y0 });
a.push({ c1x: x0 - n_x0 - vx01, c1y: y0 - n_y0 - vy01, c2x: x0 + n_x0 - vx01, c2y: y0 + n_y0 - vy01, ex: x0 + n_x0, ey: y0 + n_y0 });
a[0].mx = a[0].mx.toFixed(1);
a[0].mx = parseFloat(a[0].mx);
a[0].my = a[0].my.toFixed(1);
a[0].my = parseFloat(a[0].my);
for (let i = 1; i < a.length; i++) {
a[i].c1x = a[i].c1x.toFixed(1);
a[i].c1x = parseFloat(a[i].c1x);
a[i].c1y = a[i].c1y.toFixed(1);
a[i].c1y = parseFloat(a[i].c1y);
a[i].c2x = a[i].c2x.toFixed(1);
a[i].c2x = parseFloat(a[i].c2x);
a[i].c2y = a[i].c2y.toFixed(1);
a[i].c2y = parseFloat(a[i].c2y);
a[i].ex = a[i].ex.toFixed(1);
a[i].ex = parseFloat(a[i].ex);
a[i].ey = a[i].ey.toFixed(1);
a[i].ey = parseFloat(a[i].ey);
}
return a;
},
bethelDraw(point, is_fill, color) {
let ctx = this.ctx;
ctx.beginPath();
ctx.moveTo(point[0].mx, point[0].my);
if (undefined != color) {
ctx.setFillStyle(color);
ctx.setStrokeStyle(color);
} else {
ctx.setFillStyle(point[0].color);
ctx.setStrokeStyle(point[0].color);
}
for (let i = 1; i < point.length; i++) {
ctx.bezierCurveTo(point[i].c1x, point[i].c1y, point[i].c2x, point[i].c2y, point[i].ex, point[i].ey);
}
ctx.stroke();
if (undefined != is_fill) {
ctx.fill(); //填充图形 ( 后绘制的图形会覆盖前面的图形, 绘制时注意先后顺序 )
}
ctx.draw(true);
},
selectColorEvent(str,color) {
this.selectColor = str;
this.lineColor = color;
},
//将Canvas内容转成 临时图片 --> cb 为回调函数 形参 tempImgPath 为 生成的图片临时路径
canvasToImg(cb) {
//这种写法移动端 出不来
this.ctx.draw(true, () => {
uni.canvasToTempFilePath({
canvasId: 'handWriting',
fileType: 'png',
quality: 1, //图片质量
success(res) {
// console.log(res.tempFilePath, 'canvas生成图片地址');
uni.showToast({
title: '执行了吗？'
});
cb(res.tempFilePath);
}
});
});
},
//完成
subCanvas() {
var _this = this;
this.ctx.draw(true, () => {
uni.canvasToTempFilePath({
canvasId: 'handWriting',
fileType: 'jpg',
quality: 1, //图片质量
destWidth:900,
destHeight:435,
success(res) {
_this.imgList.splice(0,_this.imgList.length);
let img={};
img.id='';
img.filePath=res.tempFilePath;
_this.imgList.push(img)
// console.log(res.tempFilePath, 'canvas生成图片地址');
// uni.showToast({
// title: '以保存'
// });
_this.hideModal();
_this.retDraw();
// //保存到系统相册
// uni.saveImageToPhotosAlbum({
// filePath: res.tempFilePath,
// success(res) {
// uni.showToast({
// title: '已成功保存到相册',
// duration: 2000
// });
// }
// });
}
});
});
},
//保存到相册
saveCanvasAsImg() {
/*
this.canvasToImg( tempImgPath=>{
// console.log(tempImgPath, '临时路径');
uni.saveImageToPhotosAlbum({
filePath: tempImgPath,
success(res) {
uni.showToast({
title: '已保存到相册',
duration: 2000
});
}
})
} );
*/
uni.canvasToTempFilePath({
canvasId: 'handWriting',
fileType: 'png',
quality: 1, //图片质量
success(res) {
// console.log(res.tempFilePath, 'canvas生成图片地址');
uni.saveImageToPhotosAlbum({
filePath: res.tempFilePath,
success(res) {
uni.showToast({
title: '已保存到相册',
duration: 2000
});
}
});
}
});
},
//预览
previewCanvasImg() {
uni.canvasToTempFilePath({
canvasId: 'handWriting',
fileType: 'jpg',
quality: 1, //图片质量
success(res) {
// console.log(res.tempFilePath, 'canvas生成图片地址');
uni.previewImage({
urls: [res.tempFilePath] //预览图片 数组
});
}
});
/* //移动端出不来 ^~^！！
this.canvasToImg( tempImgPath=>{
uni.previewImage({
urls: [tempImgPath], //预览图片 数组
})
} );
*/
},
//上传
uploadCanvasImg() {
uni.canvasToTempFilePath({
canvasId: 'handWriting',
fileType: 'png',
quality: 1, //图片质量
success(res) {
// console.log(res.tempFilePath, 'canvas生成图片地址');
//上传
uni.uploadFile({
url: 'https://example.weixin.qq.com/upload', // 仅为示例，非真实的接口地址
filePath: res.tempFilePath,
name: 'file_signature',
formData: {
user: 'test',
CORPINFO_ID: loginUser.CORPINFO_ID,
USER_ID: loginUser.USER_ID,
},
success(res) {
const data = res.data;
// do something
}
});
}
});
},
//设置canvas背景色 不设置 导出的canvas的背景为透明
//@params：字符串 color
setCanvasBg(color) {
/* 将canvas背景设置为 白底，不设置 导出的canvas的背景为透明 */
//rect() 参数说明 矩形路径左上角的横坐标，左上角的纵坐标, 矩形路径的宽度, 矩形路径的高度
//这里是 canvasHeight - 4 是因为下边盖住边框了，所以手动减了写
this.ctx.rect(0, 0, this.canvasWidth, this.canvasHeight - 4);
// ctx.setFillStyle('red')
this.ctx.setFillStyle(color);
this.ctx.fill(); //设置填充
this.ctx.draw(); //开画
}
}
}
</script>
<style>
.cu-form-title {
padding: 20upx 0;
}
.cu-form-textarea {
background-color: #ffffff;
padding: 1upx 30upx 20upx;
min-height: 100upx;
}
.cu-form-textarea textarea {
height: 4.6em;
width: 100%;
line-height: 1.2em;
flex: 1;
font-size: 28upx;
padding: 0;
}
</style>
<style scoped>
.wrapper {
width: 100%;
height: 24vh;
margin: 0;
overflow: hidden;
display: flex;
align-content: center;
flex-direction: row;
justify-content: center;
font-size: 28upx;
}
.handWriting {
background: #fff;
width: 100%;
height: 100%;
}
.handCenter {
border: 4upx dashed #e9e9e9;
flex: 5;
overflow: hidden;
box-sizing: border-box;
}
</style>