jQuery一句就搞定radio返回值选定的问题
??????????????????????? 保密    
??????????????????????? <input type="radio" name="sex" id="radio" value="MAN" <c:if test="${sex=='MAN'}"><c:out value="checked"/></c:if>/>
??????????????????????? 男    
??????????????????????? <input type="radio" name="sex" id="radio" value="WOMEN" <c:if test="${sex=='WOMEN'}"><c:out value="checked"/></c:if> />
??????????????????????? 女

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