一直发现text-align : justify这个对齐方式不好使，都不知道为什么么么哒；
因为两端对齐的这个行的结束要一个有空字符串或者别的不可见的字符，用户代理会把这个行的最后几个字符往右边拉，实现两端对齐；
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>test-align:justify</title>
</head>
<body>
<style>
p{
width:200px;
text-align:justify;
word-break:break-all;
}
</style>
<p>
justify居中对齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中对齐齐 justify居中</p>
<p>
sdfsdfsdfjustfysdfs f f f f f fdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfyustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfy
</p>
<p>
sdfsdfsdfju
stfysdfsdfsdfjustfysdfsdfsdf
justfysdfsdf sdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsd
fsdfjustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfj ustfysdfsdfsdfjustfysdfsdfsdfjustfysdfsdfsdfj
ustfyustfysdfsdfsdfjustfysd fsdfsdfjustfysdfsdfsdfj ustfysdfsdfsdfjustfysdfsdfsdfj
ustfysdfsdfsdfjustfy
</p>
<p>
我 是一段可以两端对齐的文字， 你 仔细看看， 我 的对齐方式都贴着 容器左右的边缘。
</p>
</body>
</html>