java 使用String.format进行拼接URL连接地址

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public class TestA {

    public static void main(String[] args) {
        String P_UserId = "zhangsan";
        String P_OrderId = "201611101001";
        String P_CardId = "6217230222222222222";
        String P_CardPass = "ICBC";
        String P_FaceValue = "战士";
        String P_ChannelId = "001";
        String P_Subject = "转账";
        String P_Price = "100.0";
        String P_Quantity = "ccc";
        String P_Description = "hanson";
        String P_Notic = "hanson";
        String P_Result_URL = "hanson";
        String P_Notify_URL = "hanson";
        String P_PostKey = "hanson";
        String postUrl = String.format(
                "?P_UserId=%s&P_OrderId=%s&P_CardId=%s&P_CardPass=%s&P_FaceValue=%s&P_ChannelId=%s&P_Subject=%s&P_Price=%s"
                , P_UserId
                , P_OrderId
                , P_CardId
                , P_CardPass
                , P_FaceValue
                , P_ChannelId
                , P_Subject
                , P_Price
        );
        
        System.out.println(postUrl);
        
    }
}
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