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尝试通过 Retrofit 将当前日期从 android 插入 mysql。日期在 mysql 数据库中显示为 0000-00-00。我已经阅读了关于这个主题的多个线程并尝试应用答案，但到目前为止我还没有成功。请参阅下面的代码片段了解上下文。

PHP代码：

<?php

include('conn.php');

$userId = $_POST['userId'];
$moodBefore = $_POST['moodBefore'];
$automaticThought = $_POST['automaticThought'];
$distortions = $_POST['distortions'];
$challengeThought = $_POST['challengeThought'];
$alternativeThought = $_POST['alternativeThought'];
$moodAfter = $_POST['moodAfter'];
$posted = $_POST['posted'];

$insert = "INSERT INTO Cbt ( userId, moodBefore,   automaticThought, distortions, challengeThought, alternativeThought, moodAfter, posted) VALUES
('$userId','$moodBefore', '$automaticThought', '$distortions', '$challengeThought', '$alternativeThought', '$moodAfter', '$posted')";

  $resultinsert = $conn -> query($insert);
              if(!$resultinsert){
                  echo $conn->error;
        }
 ?>

改造 API 代码：

public interface Api {

    @FormUrlEncoded
    @POST("insert.php")
    Call<ResponseBody> insertLog(
            @Field("userId") int userId,
            @Field("moodBefore") int moodBefore,
            @Field("automaticThought") String automaticThought,
            @Field("distortions") int distortions,
            @Field("challengeThought") String challengeThought,
            @Field("alternativeThought") String alternativeThought,
            @Field("moodAfter") int moodAfter,
            @Field("posted") String date
    );

JAVA代码：

String posted = new SimpleDateFormat("ddMMyyyy").format(new Date());

case R.id.nextBtnMoodPage:
                if (hasSelected) {

                    Call<ResponseBody> call = RetrofitClient
                            .getInstance()
                            .getApi()
                            .insertLog(userId, moodBefore, automaticThoughtString, distortions, challengeThoughtString, alternativeThoughtString, moodAfter, posted);

                    call.enqueue(new Callback<ResponseBody>() {.....and so on

我希望成功插入日期而不显示 0000-00-00 如果我也可以将日期显示为 DD-MM-YYYY 那会更好。

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1 回答 1

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这在 Java 代码中有效，代码的所有其他部分保持不变

private Date currentDate() {
    final Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DATE, 0);
    return cal.getTime();
}

DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd");
String posted = dateFormat.format(currentDate());
于 2019-05-26T13:07:02.630 回答