delete invalid file

src/main/java/com/zyx/mpdemo/helpers/utils/GenerateSqlFromEntityUtil.java

@@ -1,160 +0,0 @@
-package com.zyx.mpdemo.helpers.utils;
-
-import com.zyx.mpdemo.model.entity.Product;
-
-import javax.xml.bind.annotation.XmlElement;
-import java.io.*;
-import java.lang.annotation.Annotation;
-import java.lang.reflect.Field;
-
-/**
- * @author Yaxi.Zhang
- * @since 2022/9/2 16:58
- */
-public class GenerateSqlFromEntityUtil {
-    public static void main(String[] a) {
-
-        // 实体类的位置
-        Class klass = Product.class;
-        // 生成的sql语句的位置
-        String outputPath = "D:/outSql/Product.txt";
-        generateTableSql(klass, outputPath, null);
-        System.out.println("生成结束");
-    }
-
-    public static void writeFile(String content, String outputPath) {
-
-        File file = new File(outputPath);
-        System.out.println("文件路径: " + file.getAbsolutePath());
-        // 输出文件的路径
-        if (!file.getParentFile().exists()) {
-
-            file.getParentFile().mkdirs();
-        }
-        FileOutputStream fos = null;
-        OutputStreamWriter osw = null;
-        BufferedWriter out = null;
-
-        try {
-
-            // 如果文件存在，就删除
-            if (file.exists()) {
-
-                file.delete();
-            }
-            file.createNewFile();
-            fos = new FileOutputStream(file, true);
-            osw = new OutputStreamWriter(fos);
-            out = new BufferedWriter(osw);
-            out.write(content);
-            // 清空缓冲流，把缓冲流里的文本数据写入到目标文件里
-            out.flush();
-        } catch (FileNotFoundException e) {
-
-            e.printStackTrace();
-        } catch (IOException e) {
-            e.printStackTrace();
-        } finally {
-            try {
-                fos.close();
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-            try {
-                osw.close();
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-
-            try {
-                out.close();
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-        }
-    }
-
-    public static void generateTableSql(Class obj, String outputPath, String tableName) {
-
-        // tableName 如果是 null，就用类名做表名
-        if (tableName == null || tableName.equals("")) {
-            tableName = obj.getName();
-            tableName = tableName.substring(tableName.lastIndexOf(".") + 1);
-        }
-        // 表名用大写字母
-        tableName = tableName.toUpperCase();
-
-        Field[] fields = obj.getDeclaredFields();
-        Object param;
-        String column;
-
-        StringBuilder sb = new StringBuilder();
-
-        sb.append("drop table if exists ").append(tableName).append(";\r\n");
-
-        sb.append("\r\n");
-
-        sb.append("create table ").append(tableName).append("(\r\n");
-
-        System.out.println(tableName);
-
-        boolean firstId = true;
-
-        for (int i = 0; i < fields.length; i++) {
-
-            Field f = fields[i];
-
-            column = f.getName();
-
-            System.out.println(column + ", " + f.getType().getSimpleName());
-
-            param = f.getType();
-            sb.append(column); // 一般第一个是主键
-
-            if (param instanceof Integer) {
-                sb.append(" INTEGER ");
-            } else {
-                // 注意：根据需要，自行修改 varchar 的长度。这里设定为长度等于 50
-                int length = 50;
-                sb.append(" VARCHAR(" + length + ")");
-            }
-
-            if (firstId == true) {
-
-                sb.append(" PRIMARY KEY ");
-                firstId = false;
-            }
-
-            // 获取字段中包含 fieldMeta 的注解
-
-            // 获取属性的所有注释
-            Annotation[] allAnnotations = f.getAnnotations();
-
-            XmlElement xmlElement = null;
-            Class annotationType = null;
-
-            for (Annotation an : allAnnotations) {
-
-                sb.append(" COMMIT '");
-                xmlElement = (XmlElement) an;
-                annotationType = an.annotationType();
-                param = ((XmlElement) an).name();
-                System.out.println("属性 " + f.getName() + " ----- 的注释类型有: " + param);
-                sb.append(param).append("'");
-            }
-
-            if (i != fields.length - 1) {
-                // 最后一个属性后面不加逗号
-                sb.append(", ");
-            }
-
-            sb.append("\n");
-        }
-
-        String sql = sb.toString();
-
-        sql = sb.substring(0, sql.length() - 1) + "\n) " + "ENGINE = INNODB DEFAULT CHARSET = utf8;";
-
-        writeFile(sql, outputPath);
-    }
-}