public class Main { public static void main(String[] args) { String[] fields = { "name", "position", "salary" }; String table = "employee"; String insert = buildInsertSql(table, fields); System.out.println(insert); String s = "INSERT INTO employee (name, position, salary) VALUES (?, ?, ?)"; System.out.println(s.equals(insert) ? "测试成功" : "测试失败"); } static String buildInsertSql(String table, String[] fields) { // TODO: StringBuilder sb=new StringBuilder(1024); String join=String.join(", ",fields); sb.append("INSERT INTO ") .append(table ) .append(" (") .append(join ) .append(") ") .append("VALUES ") .append("(?, ?, ?)"); return sb.toString(); } }
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