Topic: 请教！(usertype=="test" 为false,why?)

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1.请教！(usertype=="test" 为false,why?) Copy to clipboard
Posted by: redstarwen
Posted on: 2005-05-07 11:49

请尽量用准确的文字描述作为标题
Dead use equals, not ==


经过测试 usertype值为test!
但以下几句都为false,why?
if(session.getAttribute("usertype")=="test")
if(usertype=="test")
if(rs.getString("usertype")=="test")
2.Re:请教！(usertype=="test" 为false,why?) [Re: redstarwen] Copy to clipboard
Posted by: YuLimin
Posted on: 2005-05-21 14:55

if((String)session.getAttribute("usertype")=="test")
if((String)usertype=="test")
if((String)rs.getString("usertype")=="test")
3.Re:请教！(usertype=="test" 为false,why?) [Re: redstarwen] Copy to clipboard
Posted by: YuLimin
Posted on: 2005-05-21 14:56

比较字符串最好用equals：（
4.Re:请教！(usertype=="test" 为false,why?) [Re: redstarwen] Copy to clipboard
Posted by: kjjx
Posted on: 2005-05-22 00:36

session.getA.. 取出得是Object需要转型才能使用

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