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			23 lines
		
	
	
		
			793 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			23 lines
		
	
	
		
			793 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
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								// bounce: iOS橡皮筋,Android半月弧,h5浏览器下拉背景等效果, 适用于h5和renderjs (下拉刷新时禁止)
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								const bounce = {
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									// false: 禁止bounce; true:允许bounce
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									setBounce: function(isBounce){
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										window.$isMescrollBounce = isBounce
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									}
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								}
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								// 引入即自动初始化 (仅初始化一次)
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								if(window && window.$isMescrollBounce == null){
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									// 是否允许bounce, 默认允许
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									window.$isMescrollBounce = true
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									// 每次点击时重置bounce
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									window.addEventListener('touchstart', function(){
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										window.$isMescrollBounce = true
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									}, {passive: true})
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									// 滑动中标记是否禁止bounce (如:下拉刷新时禁止)
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									window.addEventListener('touchmove', function(e){
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										!window.$isMescrollBounce && e.preventDefault() // 禁止bounce
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									}, {passive: false})
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								}
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								export default bounce;
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