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利用String的静态方法format来格式化输出

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金黄新世界秩序

#1 Created at ... [Delete] [Delete and Lock User]

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);

System.out.println(

"INSERT INTO employee (name, position, salary) VALUES (?, ?, ?)".equals(insert) ? "测试成功" : "测试失败");

}

static String buildInsertSql(String table, String[] fields) {

// TODO:

StringBuilder sb = new StringBuilder(200);

sb.append("INSERT INTO %s (%s, %s, %s) VALUES (?, ?, ?)");

return String.format(sb.toString(),table,fields[0],fields[1],fields[2] );

}

}

金黄新世界秩序

#2 Created at ... [Delete] [Delete and Lock User] 


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);

		System.out.println(

				"INSERT INTO employee (name, position, salary) VALUES (?, ?, ?)".equals(insert) ? "测试成功" : "测试失败");

	}



	static String buildInsertSql(String table, String[] fields) {

		// TODO:

		StringBuilder sb = new StringBuilder(200);

		sb.append("INSERT INTO %s (%s, %s, %s) VALUES (?, ?, ?)");

		return String.format(sb.toString(),table,fields[0],fields[1],fields[2] );

	}



}
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