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      <title>Java开发者如何停止手动重建PreparedStatement SQL</title>
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      <description>开篇 String sql = &amp;ldquo;SELECT * FROM users WHERE id = ? AND status = ?&amp;rdquo;; PreparedStatement pst = con.prepareStatement(sql); 这类代码在 Java/JDBC 项目中反复出现，迫使开发者不断手动重建 SQL 字符串以匹配新查询条件。每次增删条件都需同步修改占位符数量和 set 方法调用，极易造成参数错位。 这种重复劳动在实际项目中随处可见。许多遗留系统里，同一个查询逻辑会在不同方法里复制粘贴，稍有改动</description>
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