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String sql="SELECT user,password FROM user_table WHERE user= '"+user+"' AND password='"+password+"'"; 拼的串拿双引号包起来之后再用单引号包起来 阅读全文
posted @ 2021-04-18 16:05
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摘要:
package com.qf.JDBC.four; import org.testng.annotations.Test; import java.io.InputStream; import java.sql.Connection; import java.sql.Driver; import j 阅读全文
posted @ 2021-04-18 16:01
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