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就是这么简单粗暴

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Frank丶cic

#1 Created at ... [Delete] [Delete and Lock User] 
    static String buildSelectSql(String table, String[] fields) {
        // TODO:
       return "SELECT " + String.join(", ", fields) + " FROM " + table;
    }

Frank丶cic

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

^-^

static String buildSelectSql(String table, String[] fields) {
    // TODO:
    var sql = new StringJoiner(", ", "SELECT ", " FROM " + table);
    for (String field : fields) {
        sql.add(field);
    }
    return sql.toString();
}
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