【修改】mysql细节修改
This commit is contained in:
YOHO\20373
@@ -128,6 +128,8 @@ public class IMysqlLocalServiceImpl implements IMysqlLocalService {
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} catch (SQLException e) {
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e.printStackTrace();
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appendToFile(answerLogPath, "未找到答题表:" +stuDataName+ ","+e.getMessage());
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judgementStr = HtmlAppender.appendHtmlLine(judgementStr, "未找到答题表:" +stuDataName+","+ e.getMessage());
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}
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// // **建立连接到新创建的数据库**
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@@ -267,8 +269,7 @@ public class IMysqlLocalServiceImpl implements IMysqlLocalService {
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String answerId= examQuestionAnswer.getAnswerId();
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List<ExamMysqlKeyword> examMysqlKeywordList = examMysqlKeywordMapper.selectListByAnswerId(answerId);
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//把select语句 转化成验证语句sql
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// 传入 INSERT SQL 和主键字段
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String yanzheng = convertInsertToSelect(sql);
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String stuSql=null;
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@@ -894,6 +895,71 @@ public class IMysqlLocalServiceImpl implements IMysqlLocalService {
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judgementStr = studentScorePojo.getText();
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}
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}
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if (sql.trim().toUpperCase().startsWith("ALTER TABLE")) {
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appendToFile(answerLogPath, "=================修改表语句==================");
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judgementStr = HtmlAppender.appendHtmlLine(judgementStr, "==================修改表语句==================");
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appendToFile(answerLogPath, "答案语句: " + sql);
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judgementStr = HtmlAppender.appendHtmlLine(judgementStr, "答案语句: ");
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judgementStr = HtmlAppender.appendHtmlLine(judgementStr, sql);
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// 匹配成功
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String answerId = examQuestionAnswer.getAnswerId();
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List<ExamMysqlKeyword> examMysqlKeywordList= examMysqlKeywordMapper.selectListByAnswerId(answerId);
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//转换成select语句
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String selectSql = convertAlertToSelectWhere(sql);
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List<List<String>> answerList= new ArrayList<>();
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List<List<String>> answerListStu = new ArrayList<>();
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try (Connection connanswer = DriverManager.getConnection(newDbUrl, user, password);
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Statement stmtan = connanswer.createStatement()) {
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try (ResultSet answer = stmtan.executeQuery(selectSql)) {
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answerList = getAnswerList(answer);
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appendToFile(answerLogPath, "查找语句标准答案");
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judgementStr = HtmlAppender.appendHtmlLine(judgementStr, "查找语句标准答案");
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printResult(answerList,judgementStr);
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}catch (SQLException e) {
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appendToFile(answerLogPath, "答案表执行验证语句"+selectSql+"时发生错误: " + e.getMessage());
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judgementStr = HtmlAppender.appendHtmlLine(judgementStr, "答案表执行验证语句"+selectSql+"时发生错误: " + e.getMessage());
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e.printStackTrace();
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}
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}
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String stuSql =null;
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try (Connection connstu = DriverManager.getConnection(stuDbUrl, user, password);
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Statement stmtstu = connstu.createStatement()) {
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try (ResultSet answer = stmtstu.executeQuery(selectSql)) {
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answerListStu = getAnswerList(answer);
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appendToFile(answerLogPath, "运行学生语句的查询结果：");
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judgementStr = HtmlAppender.appendHtmlLine(judgementStr, "运行学生语句的查询结果：");
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judgementStr= printResult(answerListStu,judgementStr);
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} catch (SQLException e) {
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appendToFile(answerLogPath, "学生表执行验证语句"+selectSql+"时发生错误：" + e.getMessage());
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judgementStr = HtmlAppender.appendHtmlLine(judgementStr, "学生表执行验证语句"+selectSql+"时发生错误： " + e.getMessage());
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}
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}
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boolean isEquivalent =false;
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if (answerListStu!=null&&answerListStu.size()>0){
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isEquivalent = compareResultsSelect(answerList, answerListStu);
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}
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//
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if (isEquivalent) {
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SourceAndText studentScorePojo = accumulateScoreAndLog(examMysqlKeywordList,total,answerLogPath,sql,totalKeyScore,score,answerId,scoreTotal,judgementStr);
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scoreTotal += studentScorePojo.getScore();
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judgementStr = studentScorePojo.getText();
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} else {
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SourceAndText studentScorePojo= calculateTotalScoreRate(sql, examMysqlKeywordList,totalKeyScore,score,answerId,scoreTotal,judgementStr);
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scoreTotal += studentScorePojo.getScore();
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judgementStr = studentScorePojo.getText();
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}
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}
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}
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//删除临时创建的数据库databaseName
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@@ -917,6 +983,23 @@ public class IMysqlLocalServiceImpl implements IMysqlLocalService {
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sourceAndText.setText(judgementStr);
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return sourceAndText;
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}
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public static String convertAlertToSelectWhere(String sql) {
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if (sql == null || sql.trim().isEmpty()) return null;
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// 正则提取表名和字段名（支持反引号）
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Pattern pattern = Pattern.compile(
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"ALTER\\s+TABLE\\s+`?(\\w+)`?\\s+MODIFY\\s+COLUMN\\s+`?(\\w+)`?",
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Pattern.CASE_INSENSITIVE);
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Matcher matcher = pattern.matcher(sql);
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if (matcher.find()) {
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String tableName = matcher.group(1);
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String columnName = matcher.group(2);
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return "SHOW COLUMNS FROM " + tableName + " LIKE '" + columnName + "';";
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}
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return null;
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}
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@Override
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public void delMysqlConnect(List<String> tNames) {
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@@ -1526,49 +1609,57 @@ public class IMysqlLocalServiceImpl implements IMysqlLocalService {
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return callStatements;
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}
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public static String convertInsertToSelect(String insertSql) {
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// 匹配表名和插入值
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Pattern pattern = Pattern.compile("INSERT INTO\\s+`?(\\w+)`?\\s*\\(.*?\\)\\s*VALUES\\s*(.+);?", Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
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Matcher matcher = pattern.matcher(insertSql);
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if (!matcher.find()) {
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throw new IllegalArgumentException("无法解析 INSERT 语句");
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}
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public static String convertInsertToSelect(String insertSql) {
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Pattern pattern = Pattern.compile(
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"INSERT INTO\\s+`?(\\w+)`?\\s*\\((.*?)\\)\\s*VALUES\\s*\\((.*?)\\)",
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Pattern.CASE_INSENSITIVE | Pattern.DOTALL
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);
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Matcher matcher = pattern.matcher(insertSql);
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if (!matcher.find()) throw new IllegalArgumentException("无法解析 INSERT 语句");
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String tableName = matcher.group(1);
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String valuesPart = matcher.group(2);
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String columnStr = matcher.group(2);
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String valueStr = matcher.group(3);
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// 匹配所有 ('xxx', ...) 或者 ('xxx')
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Pattern valPattern = Pattern.compile("\\((.*?)\\)");
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Matcher valMatcher = valPattern.matcher(valuesPart);
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String[] columns = columnStr.split("\\s*,\\s*");
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String[] values = valueStr.split("\\s*,\\s*");
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Set<String> values = new LinkedHashSet<>();
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while (valMatcher.find()) {
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String valueStr = valMatcher.group(1).trim();
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// 如果是单字段插入，可能只有一个值
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if (!valueStr.contains(",")) {
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values.add(valueStr.replaceAll("^'|'$", "").replace("'", "''"));
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if (columns.length != values.length) {
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throw new IllegalArgumentException("字段和值数量不匹配");
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}
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// 构造 column-value 映射
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Map<String, String> columnValueMap = new LinkedHashMap<>();
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for (int i = 0; i < columns.length; i++) {
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String col = columns[i].trim();
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String val = values[i].trim();
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// 处理引号
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if ((val.startsWith("'") && val.endsWith("'")) || (val.startsWith("\"") && val.endsWith("\""))) {
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val = val.substring(1, val.length() - 1).replace("''", "'");
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}
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columnValueMap.put(col, val);
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}
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if (values.isEmpty()) {
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throw new IllegalArgumentException("未提取到插入值");
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// 构造 SELECT 语句
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StringBuilder sb = new StringBuilder("SELECT * FROM ");
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sb.append(tableName).append(" WHERE ");
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List<String> conditions = new ArrayList<>();
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for (Map.Entry<String, String> entry : columnValueMap.entrySet()) {
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conditions.add(entry.getKey() + " = '" + entry.getValue().replace("'", "''") + "'");
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}
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// 拼接验证 SQL
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StringBuilder selectBuilder = new StringBuilder("SELECT * FROM ");
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selectBuilder.append(tableName).append(" WHERE teamName IN (");
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int i = 0;
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for (String val : values) {
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if (i++ > 0) selectBuilder.append(", ");
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selectBuilder.append("'").append(val).append("'");
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}
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selectBuilder.append(")");
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return selectBuilder.toString();
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sb.append(String.join(" AND ", conditions));
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return sb.toString();
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}
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/**
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* 比较两个查询的结果
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*/
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