uni-app 监听触摸事件滑动事件

冷不防 2022-11-12 05:23 1106阅读 0赞

## uni-app 中监听触摸事件，滑动事件 ##

ColorUI使用文档： [https://blog.csdn.net/DevilAngelia/article/details/119447883][https_blog.csdn.net_DevilAngelia_article_details_119447883]

**手指滑动事件关键点在于三个事件：**

**1、@touchstart ：触摸开始；  
2、@touchmove：手指滑动的过程；  
3、@touchend：触摸结束，手指离开屏幕。**

<view class="margin-top-sm showMore-box" :style="{ transform: 'translateX('+moveX+'px)', transition: transition }" @touchstart="start" @touchend="end" @touchmove="move">
    	<view class="radius bg-gray padding-top-sm margin-right-xl" style="flex: 1; overflow: hidden;">
    		<view class="flex align-center justify-between padding-lr-sm">
    			<text class="text-bold text-black">和平精英</text>
    			<text class="bg-gray radius padding-lr-sm text-green">进入</text>
    		</view>
    		<view class="margin-top-sm padding-lr-sm">
    			<text class="cuIcon-paintfill text-yellow"></text>
    			<text class="text-black text-bold padding-lr-sm">战绩</text>
    			<text class="text-black">和平战报已送达</text>
    		</view>
    		<view class="margin-top-sm padding-lr-sm">
    			<text class="cuIcon-paintfill text-yellow"></text>
    			<text class="text-black text-bold padding-lr-sm">直播</text>
    			<text class="text-black">万场老六，细节导师</text>
    		</view>
    		<view class="padding-sm margin-top-sm flex align-center justify-between" style="background: #AAAAAA;">
    			<text class="">更多服务</text>
    			<text class="cuIcon-right"></text>
    		</view>
    	</view>
    	<view class="radius bg-gray padding-sm flex align-center" style="width: 100vw; height: 100%; position: absolute; z-index: 1; right: calc(-100vw + 15px); top: 0;">
    		<text class="cuIcon-pullleft text-gray"></text>
    		<view class="text-gray padding-left-sm" style="width: 16px;">{
       {rightText}}</view>
    	</view>
    </view>

data() { 
    	return { 
    		startData: { 
    			clientX: '',
    			clientY: '',
    		},
    		moveX: 0,
    		touch: { },
    	}
    },
    methods: { 
    	// 触摸touch事件
    	start(e){   //@touchstart 触摸开始
    		this.transition = '.1s';
    	    this.startData.clientX = e.changedTouches[0].clientX;   //手指按下时的X坐标 
    	    this.startData.clientY = e.changedTouches[0].clientY;   //手指按下时的Y坐标
    	},
    	end(e){   //@touchend触摸结束
    		this.moveX = 0;  //触摸事件结束恢复原状
    		this.transition = '.5s';
    		if(Math.abs(this.touch.clientX-this.startData.clientX) > 100) {   //在事件结束时，判断滑动的距离是否达到出发需要执行事件的要求
    			console.log('执行查看跳转事件');
    			// this.touch = {};
    		} else { 
    			console.log('滑动距离不够，不执行跳转')
    			// this.touch = {};
    		}
    	},
    	move(event) {   //@touchmove触摸移动
    		let touch = event.touches[0];  //滑动过程中，手指滑动的坐标信息 返回的是Objcet对象
    		this.touch = touch;
    		let data = touch.clientX - this.startData.clientX;
    		if(touch.clientX < this.startData.clientX) {   //向左移动
    			if(data<-250) { 
    				data = -250;
    			}
    		}
    		if(touch.clientX > this.startData.clientX) {   //向右移动
    			if(this.moveX == 0) { 
    				data = 0
    			} else { 
    				if(data>50) { 
    					data = 50;
    				}
    			}
    		}
    		this.moveX = data;
    	},
    }

.showMore-box{ 
    	position: relative;
    	// transition: all .5s;
    }

1、手指触摸前

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RldmlsQW5nZWxpYQ_size_16_color_FFFFFF_t_70_pic_center]

2、手指触摸，并向左滑动

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RldmlsQW5nZWxpYQ_size_16_color_FFFFFF_t_70_pic_center 1]

3、松开手指，页面回弹

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RldmlsQW5nZWxpYQ_size_16_color_FFFFFF_t_70_pic_center 2]

页面采用的colorUI这个css库来写的，自己的css样式写的少，基本全是用他的类，有些地方也懒得去自己调颜色、距离、大小，就直接用colorUI的类，挺方便的。

colorui github下载地址： [https://github.com/weilanwl/ColorUI][https_github.com_weilanwl_ColorUI]

第一次写滑动效果，写的不好。  
初学者，代码质量堪忧，虚心学习，接受批评指正。

[https_blog.csdn.net_DevilAngelia_article_details_119447883]: https://blog.csdn.net/DevilAngelia/article/details/119447883
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RldmlsQW5nZWxpYQ_size_16_color_FFFFFF_t_70_pic_center]: /images/20221022/ac9c8041786a4fa3a48bc469cd6f74bc.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RldmlsQW5nZWxpYQ_size_16_color_FFFFFF_t_70_pic_center 1]: /images/20221022/0669f1685fe44c2982c2f7e3980e8989.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RldmlsQW5nZWxpYQ_size_16_color_FFFFFF_t_70_pic_center 2]: https://img-blog.csdnimg.cn/20210322235947184.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0RldmlsQW5nZWxpYQ==,size_16,color_FFFFFF,t_70#pic_center
[https_github.com_weilanwl_ColorUI]: https://github.com/weilanwl/ColorUI/