JSP页面
<form action="">
<input type="checkbox" id="n1" name="names" value="a"/>
<input type="checkbox" id="n2" name="names" value="b"/>
<input type="checkbox" id="n3" name="names" value="c"/>
<input type="checkbox" id="n4" name="names" value="d"/>
</form>
JAVA文件
String[] names = this.getRequest().getParameterValues("names")
User user = new User()
user.setNames(names)