Created
October 11, 2016 01:53
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// 将图片资源显示到页面中 | |
function showImage(imageData) { | |
var reader = new FileReader(); | |
reader.onload = function(e){ | |
var img = new Image(); | |
img.src = e.target.result; | |
document.body.appendChild(img); | |
}; | |
// 读取图片文件 | |
reader.readAsDataURL(imageData); | |
} | |
document.querySelector("#input").addEventListener("paste", function(e){ | |
var clipboardData = e.clipboardData, | |
items, | |
item, | |
types; | |
if(clipboardData){ | |
items = clipboardData.items; | |
if(!items){ | |
return; | |
} | |
item = items[0]; | |
// 保存在剪贴板中的数据类型 | |
types = clipboardData.types || []; | |
for(var i = 0; i < types.length; i++ ){ | |
if(types[i] === "Files"){ | |
item = items[i]; | |
break; | |
} | |
} | |
// 判断是否为图片数据 | |
if( item && item.kind === 'file' && item.type.match(/^image\//i) ){ | |
var blob = item.getAsFile(); | |
showImage(blob); | |
} | |
} | |
}); |
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