【问题标题】:phpmyadmin Designer Tab meaning of different colors?phpmyadmin Designer Tab不同颜色的含义?
【发布时间】:2014-03-15 02:50:03
【问题描述】:

好的,所以我点击了 phpmyadmin 中的 Designer 选项卡来查看我的表之间的关系。有很多不同的颜色将外键从一个表连接到另一个表。颜色是蓝色、绿色、黄色、紫色和红色。很明显,绿色意味着关系是有效的,我认为蓝色也是如此。我猜黄色意味着谨慎(或警告),我想红色意味着这种关系很糟糕,应该删除。

我的问题是:1)为什么有不同的颜色? 2)每种颜色是什么意思? 3)如果红色表示关系错了,为什么错了,我该如何解决?

我将我的 SQL 表结构包括在内,以防您想查看它并告诉我我的表结构方式有什么问题,或者外键关系为什么错误以及需要如何修复。

这是一个跟踪会员结果的 PHP/MySQL 测验应用程序。我可能把这些表组织错了。任何建议将不胜感激。

非常感谢你们,你们很棒,帮了我很多。

-- phpMyAdmin SQL Dump
-- version 3.4.10.1deb1
-- http://www.phpmyadmin.net
--
-- Host: localhost
-- Generation Time: Feb 15, 2014 at 12:56 PM
-- Server version: 5.5.35
-- PHP Version: 5.3.10-1ubuntu3.9

SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
SET time_zone = "+00:00";


/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;

--
-- Database: `Asheville_Potpourri`
--

-- --------------------------------------------------------

--
-- Table structure for table `answers`
--

CREATE TABLE IF NOT EXISTS `answers` (
  `id_answer` int(11) NOT NULL AUTO_INCREMENT,
  `answer` varchar(255) NOT NULL,
  `addedBy` int(11) NOT NULL,
  `dateAdded` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_answer`),
  KEY `id_user` (`id_user`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `bannedUsers`
--

CREATE TABLE IF NOT EXISTS `bannedUsers` (
  `id_bannedUser` int(11) NOT NULL AUTO_INCREMENT,
  `id_user` int(11) NOT NULL,
  `bannedBy` int(11) NOT NULL,
  `reasonBanned` text NOT NULL,
  `dateBanned` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_bannedUser`),
  KEY `id_user` (`id_user`),
  KEY `bannedBy` (`bannedBy`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `blogPosts`
--

CREATE TABLE IF NOT EXISTS `blogPosts` (
  `id_blogPost` int(11) NOT NULL AUTO_INCREMENT,
  `id_blogTopic` int(11) NOT NULL,
  `blogPostTitle` varchar(255) NOT NULL,
  `blogPostContent` text NOT NULL,
  `postedBy` int(11) NOT NULL,
  `datePosted` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_blogPost`),
  UNIQUE KEY `blogPostTitle` (`blogPostTitle`),
  KEY `id_blogTopic` (`id_blogTopic`),
  KEY `postedBy` (`postedBy`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `blogTopics`
--

CREATE TABLE IF NOT EXISTS `blogTopics` (
  `id_blogTopic` int(11) NOT NULL AUTO_INCREMENT,
  `blogTopicName` varchar(255) NOT NULL,
  `blogTopicDescription` text NOT NULL,
  `addedBy` int(11) NOT NULL,
  `dateAdded` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_blogTopic`),
  UNIQUE KEY `blogTopicName` (`blogTopicName`),
  KEY `addedBy` (`addedBy`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `feedback`
--

CREATE TABLE IF NOT EXISTS `feedback` (
  `id_feedback` int(11) NOT NULL AUTO_INCREMENT,
  `firstName` varchar(40) NOT NULL,
  `lastName` varchar(40) NOT NULL,
  `email` varchar(60) NOT NULL,
  `comments` text NOT NULL,
  `dateSent` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_feedback`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `forumPosts`
--

CREATE TABLE IF NOT EXISTS `forumPosts` (
  `id_forumPost` int(11) NOT NULL AUTO_INCREMENT,
  `id_forumTopic` int(11) NOT NULL,
  `forumPostTitle` varchar(255) NOT NULL,
  `forumPostContent` text NOT NULL,
  `postedBy` int(11) NOT NULL,
  `datePosted` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_forumPost`),
  UNIQUE KEY `forumPostTitle` (`forumPostTitle`),
  KEY `id_forumTopic` (`id_forumTopic`),
  KEY `postedBy` (`postedBy`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `forumTopics`
--

CREATE TABLE IF NOT EXISTS `forumTopics` (
  `id_forumTopic` int(11) NOT NULL AUTO_INCREMENT,
  `forumTopicName` varchar(255) NOT NULL,
  `forumTopicDescription` text NOT NULL,
  `addedBy` int(11) NOT NULL,
  `dateAdded` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_forumTopic`),
  UNIQUE KEY `forumTopicName` (`forumTopicName`),
  KEY `addedBy` (`addedBy`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `memberAllQuizzesTotalPoints`
--

CREATE TABLE IF NOT EXISTS `memberAllQuizzesTotalPoints` (
  `id_memberAllQuizzesTotalPoints` int(11) NOT NULL AUTO_INCREMENT,
  `id_user` int(11) NOT NULL,
  `memberAllQuizzesTotalPoints` int(11) NOT NULL DEFAULT '0',
  `dateUpdated` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_memberAllQuizzesTotalPoints`),
  KEY `id_user` (`id_user`),
  KEY `memberAllQuizzesTotalPoints` (`memberAllQuizzesTotalPoints`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `memberProfilePages`
--

CREATE TABLE IF NOT EXISTS `memberProfilePages` (
  `id_memberProfilePage` int(11) NOT NULL AUTO_INCREMENT,
  `id_user` int(11) NOT NULL,
  `memberAllQuizzesTotalPoints` int(11) NOT NULL DEFAULT '0',
  `profileImageFilename` varchar(60) NOT NULL DEFAULT '',
  `facebookAddress` varchar(60) NOT NULL DEFAULT '',
  `twitterAddress` varchar(60) NOT NULL DEFAULT '',
  `dateUpdated` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_memberProfilePage`),
  KEY `id_user` (`id_user`),
  KEY `memberAllQuizzesTotalPoints` (`memberAllQuizzesTotalPoints`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `memberQuizNameAnswers`
--

CREATE TABLE IF NOT EXISTS `memberQuizNameAnswers` (
  `id_memberQuizNameAnswer` int(11) NOT NULL AUTO_INCREMENT,
  `id_user` int(11) NOT NULL,
  `id_quiz` int(11) NOT NULL,
  `quizNameQuestionNumber` int(11) NOT NULL,
  `id_answer` int(11) NOT NULL,
  `isCorrect` enum('0','1') NOT NULL DEFAULT '0',
  `dateQuizTaken` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_memberQuizNameAnswer`),
  KEY `id_user` (`id_user`),
  KEY `id_quiz` (`id_quiz`),
  KEY `quizNameQuestionNumber` (`quizNameQuestionNumber`),
  KEY `id_answer` (`id_answer`),
  KEY `isCorrect` (`isCorrect`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `memberQuizNameResults`
--

CREATE TABLE IF NOT EXISTS `memberQuizNameResults` (
  `id_memberQuizNameResult` int(11) NOT NULL AUTO_INCREMENT,
  `id_user` int(11) NOT NULL,
  `id_quiz` int(11) NOT NULL,
  `quizNamePointsEarned` int(11) NOT NULL DEFAULT '0',
  PRIMARY KEY (`id_memberQuizNameResult`),
  KEY `id_user` (`id_user`),
  KEY `id_quiz` (`id_quiz`),
  KEY `quizNamePointsEarned` (`quizNamePointsEarned`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `questions`
--

CREATE TABLE IF NOT EXISTS `questions` (
  `id_question` int(11) NOT NULL AUTO_INCREMENT,
  `question` varchar(255) NOT NULL,
  `addedBy` int(11) NOT NULL,
  `dateAdded` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_question`),
  KEY `addedBy` (`addedBy`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `quizCategories`
--

CREATE TABLE IF NOT EXISTS `quizCategories` (
  `id_quizCategory` int(11) NOT NULL AUTO_INCREMENT,
  `categoryName` varchar(40) NOT NULL,
  `categoryDescription` text NOT NULL,
  `addedBy` int(11) NOT NULL,
  `dateAdded` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_quizCategory`),
  KEY `addedBy` (`addedBy`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `quizNameAnswers`
--

CREATE TABLE IF NOT EXISTS `quizNameAnswers` (
  `id_quizNameAnswer` int(11) NOT NULL AUTO_INCREMENT,
  `id_quiz` int(11) NOT NULL,
  `quizNameQuestionNumber` int(11) NOT NULL,
  `id_answer` int(11) NOT NULL,
  `isCorrect` enum('0','1') NOT NULL DEFAULT '0',
  PRIMARY KEY (`id_quizNameAnswer`),
  KEY `id_quiz` (`id_quiz`),
  KEY `quizNameQuestionNumber` (`quizNameQuestionNumber`),
  KEY `id_answer` (`id_answer`),
  KEY `isCorrect` (`isCorrect`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `quizNameQuestions`
--

CREATE TABLE IF NOT EXISTS `quizNameQuestions` (
  `id_quizNameQuestion` int(11) NOT NULL AUTO_INCREMENT,
  `id_quiz` int(11) NOT NULL,
  `id_question` int(11) NOT NULL,
  `quizNameQuestionNumber` int(11) NOT NULL,
  PRIMARY KEY (`id_quizNameQuestion`),
  KEY `id_question` (`id_question`),
  KEY `quizNameQuestionNumber` (`quizNameQuestionNumber`),
  KEY `id_quiz` (`id_quiz`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `quizzes`
--

CREATE TABLE IF NOT EXISTS `quizzes` (
  `id_quiz` int(11) NOT NULL AUTO_INCREMENT,
  `id_quizCategory` int(11) NOT NULL,
  `quizName` varchar(40) NOT NULL,
  `quizDescription` text NOT NULL,
  `addedBy` int(11) NOT NULL,
  `dateAdded` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_quiz`),
  KEY `id_quizCategory` (`id_quizCategory`),
  KEY `addedBy` (`addedBy`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

-- --------------------------------------------------------

--
-- Table structure for table `users`
--

CREATE TABLE IF NOT EXISTS `users` (
  `id_user` int(11) NOT NULL AUTO_INCREMENT,
  `userName` varchar(20) NOT NULL,
  `firstName` varchar(40) NOT NULL,
  `lastName` varchar(40) NOT NULL,
  `email` varchar(60) NOT NULL,
  `password` varchar(20) NOT NULL,
  `emailCode` varchar(32) NOT NULL,
  `active` enum('0','1') NOT NULL DEFAULT '0',
  `passwordRecover` enum('0','1') NOT NULL DEFAULT '0',
  `userType` enum('1','2') NOT NULL DEFAULT '1',
  `dateRegistered` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id_user`),
  UNIQUE KEY `userName` (`userName`),
  UNIQUE KEY `email` (`email`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;

--
-- Constraints for dumped tables
--

--
-- Constraints for table `answers`
--
ALTER TABLE `answers`
  ADD CONSTRAINT `answers_ibfk_1` FOREIGN KEY (`addedBy`) REFERENCES `users` (`id_user`);

--
-- Constraints for table `bannedUsers`
--
ALTER TABLE `bannedUsers`
  ADD CONSTRAINT `bannedUsers_ibfk_3` FOREIGN KEY (`id_user`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `bannedUsers_ibfk_4` FOREIGN KEY (`bannedBy`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `blogPosts`
--
ALTER TABLE `blogPosts`
  ADD CONSTRAINT `blogPosts_ibfk_3` FOREIGN KEY (`id_blogTopic`) REFERENCES `blogTopics` (`id_blogTopic`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `blogPosts_ibfk_4` FOREIGN KEY (`postedBy`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `blogTopics`
--
ALTER TABLE `blogTopics`
  ADD CONSTRAINT `blogTopics_ibfk_2` FOREIGN KEY (`addedBy`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `forumPosts`
--
ALTER TABLE `forumPosts`
  ADD CONSTRAINT `forumPosts_ibfk_3` FOREIGN KEY (`id_forumTopic`) REFERENCES `forumTopics` (`id_forumTopic`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `forumPosts_ibfk_4` FOREIGN KEY (`postedBy`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `forumTopics`
--
ALTER TABLE `forumTopics`
  ADD CONSTRAINT `forumTopics_ibfk_2` FOREIGN KEY (`addedBy`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `memberAllQuizzesTotalPoints`
--
ALTER TABLE `memberAllQuizzesTotalPoints`
  ADD CONSTRAINT `memberAllQuizzesTotalPoints_ibfk_2` FOREIGN KEY (`id_user`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `memberProfilePages`
--
ALTER TABLE `memberProfilePages`
  ADD CONSTRAINT `memberProfilePages_ibfk_3` FOREIGN KEY (`id_user`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `memberProfilePages_ibfk_4` FOREIGN KEY (`memberAllQuizzesTotalPoints`) REFERENCES `memberAllQuizzesTotalPoints` (`id_memberAllQuizzesTotalPoints`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `memberQuizNameAnswers`
--
ALTER TABLE `memberQuizNameAnswers`
  ADD CONSTRAINT `memberQuizNameAnswers_ibfk_5` FOREIGN KEY (`id_user`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `memberQuizNameAnswers_ibfk_6` FOREIGN KEY (`id_quiz`) REFERENCES `quizzes` (`id_quiz`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `memberQuizNameAnswers_ibfk_7` FOREIGN KEY (`quizNameQuestionNumber`) REFERENCES `quizNameQuestions` (`quizNameQuestionNumber`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `memberQuizNameAnswers_ibfk_8` FOREIGN KEY (`id_answer`) REFERENCES `answers` (`id_answer`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `memberQuizNameResults`
--
ALTER TABLE `memberQuizNameResults`
  ADD CONSTRAINT `memberQuizNameResults_ibfk_3` FOREIGN KEY (`id_user`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `memberQuizNameResults_ibfk_4` FOREIGN KEY (`id_quiz`) REFERENCES `quizzes` (`id_quiz`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `questions`
--
ALTER TABLE `questions`
  ADD CONSTRAINT `questions_ibfk_2` FOREIGN KEY (`addedBy`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `quizCategories`
--
ALTER TABLE `quizCategories`
  ADD CONSTRAINT `quizCategories_ibfk_2` FOREIGN KEY (`addedBy`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `quizNameAnswers`
--
ALTER TABLE `quizNameAnswers`
  ADD CONSTRAINT `quizNameAnswers_ibfk_7` FOREIGN KEY (`quizNameQuestionNumber`) REFERENCES `quizNameQuestions` (`quizNameQuestionNumber`),
  ADD CONSTRAINT `quizNameAnswers_ibfk_4` FOREIGN KEY (`id_quiz`) REFERENCES `quizzes` (`id_quiz`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `quizNameAnswers_ibfk_6` FOREIGN KEY (`id_answer`) REFERENCES `answers` (`id_answer`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `quizNameQuestions`
--
ALTER TABLE `quizNameQuestions`
  ADD CONSTRAINT `quizNameQuestions_ibfk_2` FOREIGN KEY (`id_question`) REFERENCES `questions` (`id_question`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `quizNameQuestions_ibfk_3` FOREIGN KEY (`id_quiz`) REFERENCES `quizzes` (`id_quiz`) ON DELETE CASCADE ON UPDATE CASCADE;

--
-- Constraints for table `quizzes`
--
ALTER TABLE `quizzes`
  ADD CONSTRAINT `quizzes_ibfk_3` FOREIGN KEY (`id_quizCategory`) REFERENCES `quizCategories` (`id_quizCategory`) ON DELETE CASCADE ON UPDATE CASCADE,
  ADD CONSTRAINT `quizzes_ibfk_4` FOREIGN KEY (`addedBy`) REFERENCES `users` (`id_user`) ON DELETE CASCADE ON UPDATE CASCADE;

/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;

【问题讨论】:

    标签: php mysql sql database phpmyadmin


    【解决方案1】:

    不同颜色的唯一原因是为了更容易区分它们。

    【讨论】:

    • Sim,这怎么不能提供答案?提出的问题是“1)为什么有不同的颜色?2)每种颜色是什么意思?3)如果红色表示关系错误,为什么它是错误的,我该如何解决?并给出第一个问题的答案,第二个和第三个无关紧要。我完全不明白你的评论。
    • 我认为 Sim 的评论的重点是 Marc 的评论没有任何帮助。我知道不同的颜色更容易区分它们。但问题是,与表关系有关的颜色意味着什么?例如,绿色是否表示“关系很好,花花公子”,黄色表示“关系有效但不建议”,红色表示“关系错误且不允许”。并不是说我是对的,我在问是否有人知道颜色的含义。
    • 我发现唯一接近答案的是:“绿色和蓝色的关系链接颜色没有任何意义;它们只是帮助区分意大利面条中可以许多链接挤在同一个空间中的结果。但是,红色表示保留删除的链接“Okkkkkk,这是什么意思?除了绿色、蓝色和红色之外,还有其他颜色。还有黄色和紫色的线。那么这些是什么意思呢? “然而,红色表示保留删除的链接。”是什么意思?
    • Jason,您认为颜色在关系方面具有某种意义,而我回答说,不同颜色的唯一原因是为了区分它们。因此,就关系而言,颜色没有任何意义。
    • Jason,我是一名 phpMyAdmin 开发人员;艾萨克·本内奇也是如此。这是我刚刚做的一个快速测试:我有一个包含三个表和两个关系线的设计器模式。我打开不同的浏览器,对于相同的架构,关系的颜色与第一个浏览器中看到的颜色不同。
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