2016-10-08 22:19发布
Pattern pattern = Pattern.compile("^[-\+]?[\d]*$");
if（pattern.matcher(str).matches()）{
}else{
}
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{var%20f='http://v.t.sina.com.cn/share/share.php?appkey=1515056452',u=z||d.location,p=['&url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||'')].join('');function%20a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent,'','','https://www.63hi.com/data/attach/logo/logo.png', '推荐 ShanShan伟鸿妈 的问题《java 编程 if语句 如何让它选择 条件是数字 就执行if后的语句 不是就执行else后的语句》','https://www.63hi.com/q-1477.html','页面编码gb2312|utf-8默认gb2312'));){kind=link}
Pattern pattern = Pattern.compile("^[-\+]?[\d]*$");
if（pattern.matcher(str).matches()）{
}else{
}
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