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配置文件： jdbc.properties jdbc.path=D:\\maven\\repository\\mysql\\mysql-connector-java\\5.1.30\\mysql-connector-java-5.1.30.jar jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/expor...

//双色球模拟 int[] arr = new int[6]; Random r = new Random(); //遍历数组得到6个不一样的数 for (int i = 0; i < arr.length; i++) { arr[i] = r.nextInt(33) + 1; for (int k = 0; k < i; k++) { if (arr[k] == arr[i]) { ...