v-touch.js 文件内容如下
class vueTouch {
constructor(el, binding, type) {
// 触屏函数
var _this = this;
this.obj = el;
this.binding = binding;
this.touchType = type;
this.vueTouches = { x: 0, y: 0 }; // 触屏坐标
this.vueMoves = true;
this.vueLeave = true;
this.vueCallBack = typeof binding.value == 'object' ? binding.value.fn : binding.value;
this.obj.addEventListener(
'touchstart',
function(e) {
_this.start(e);
},
false
);
this.obj.addEventListener(
'touchend',
function(e) {
_this.end(e);
},
false
);
this.obj.addEventListener(
'touchmove',
function(e) {
_this.move(e);
},
false
);
}
start(e) {
// 监听touchstart事件
this.vueMoves = true;
this.vueLeave = true;
this.longTouch = true;
this.vueTouches = { x: e.changedTouches[0].clientX, y: e.changedTouches[0].clientY };
console.log('targetTouches', e.targetTouches[0]);
this.time = setTimeout(
function() {
if (this.vueLeave && this.vueMoves) {
this.touchType == 'longtap' && this.vueCallBack(this.binding.value, e);
this.longTouch = false;
}
}.bind(this),
1000
);
}
end(e) {
// 监听touchend事件
console.log('this.vueTouches', this.vueTouches);
console.log('this.changedTouches', e.changedTouches[0].clientX);
// 此处代码用来解决IOS回弹问题 begain
if (e.changedTouches[0].clientX<0) {
return;
}
// 此处代码用来解决IOS回弹问题 end
var disX = e.changedTouches[0].clientX - this.vueTouches.x; // 计算移动的位移差
var disY = e.changedTouches[0].clientY - this.vueTouches.y;
console.log(Math.abs(disX), Math.abs(disY));
clearTimeout(this.time);
if (Math.abs(disX) > 10 || Math.abs(disY) > 100) {
// 当横向位移大于10,纵向位移大于100,则判定为滑动事件
this.touchType == 'swipe' && this.vueCallBack(this.binding.value, e); // 若为滑动事件则返回
if (Math.abs(disX) > Math.abs(disY)) {
// 判断是横向滑动还是纵向滑动
if (disX > 30) {
this.touchType == 'swiperight' && this.vueCallBack(this.binding.value, e); // 右滑
}
if (disX < -30) {
this.touchType == 'swipeleft' && this.vueCallBack(this.binding.value, e); // 左滑
}
} else {
if (disY > 30) {
this.touchType == 'swipedown' && this.vueCallBack(this.binding.value, e); // 下滑
}
if (disY < -30) {
this.touchType == 'swipeup' && this.vueCallBack(this.binding.value, e); // 上滑
}
}
} else if (this.longTouch && this.vueMoves) {
this.touchType == 'tap' && this.vueCallBack(this.binding.value, e);
this.vueLeave = false;
}
}
move(e) {
// 监听touchmove事件
this.vueMoves = false;
}
}
export default vueTouch;
directives.js 文件内容如下
import vueTouch from './v-touch';
export default (Vue) => {
Vue.directive('ztap', {
// 点击事件
bind(el, binding) {
new vueTouch(el, binding, 'tap');
}
});
Vue.directive('zswipe', {
// 滑动事件
bind(el, binding) {
new vueTouch(el, binding, 'swipe');
}
});
Vue.directive('zswipeleft', {
// 左滑事件
bind(el, binding) {
new vueTouch(el, binding, 'swipeleft');
}
});
Vue.directive('zswiperight', {
// 右滑事件
bind(el, binding) {
new vueTouch(el, binding, 'swiperight');
}
});
Vue.directive('zswipedown', {
// 下滑事件
bind(el, binding) {
new vueTouch(el, binding, 'swipedown');
}
});
Vue.directive('zswipeup', {
// 上滑事件
bind(el, binding) {
new vueTouch(el, binding, 'swipeup');
}
});
Vue.directive('zlongtap', {
// 长按事件
bind(el, binding) {
new vueTouch(el, binding, 'longtap');
}
});
};
main.js 引入文件
import directives from '@/components/global/directives';
Vue.use(directives);
使用方法
<div v-zswipeleft='yourmethods'></div>