sql语句执行删除时怎么就对数字有效果?
在servlet中使用如下语句:
String deleteWordStyle = request.getParameter("deleteWordStyle");
String deleteWord = request.getParameter("deleteWord");
String selectStatement="delete from escuage where "+deleteWordStyle+"="+deleteWord;
prepStmt = con.prepareStatement(selectStatement)
"deleteWord"对数字有效,当他是字母和汉字时都不行
看了好两天了,也没弄好
还望各位多多指教!!