摘要: 1、使用 ' " + + " ' 拼接 2、使用占位符 String str="select zkzh,school,name,n1,fzf from yw01 where aaa= ' "+aaa+ " ' ";//字符串型变量String str="select zkzh,school,name 阅读全文
posted @ 2017-06-21 17:28 hj0612 阅读(1695) 评论(0) 推荐(0) 编辑