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src/main/java/net/tccn/meta/_TableService.java

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+package net.tccn.meta;
+
+import net.tccn.base.JBean;
+import net.tccn.base.Kv;
+import net.tccn.dbq.jdbc.api.DbAccount;
+import net.tccn.dbq.table.Table;
+import net.tccn.service.BaseService;
+import net.tccn.service._FileService;
+import org.redkale.net.http.RestMapping;
+import org.redkale.net.http.RestParam;
+import org.redkale.net.http.RestService;
+import org.redkale.util.Comment;
+
+import javax.annotation.Resource;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+
+/**
+ * 元数据实体管理
+ * 1、实体导入，
+ * 2、实体信息维护
+ * 3、数据库表管理
+ */
+@RestService(automapping = true, comment = "元数据实体管理")
+public class _TableService extends BaseService {
+
+    @Resource
+    _FileService fileService;
+    @Resource
+    _DbService dbService;
+
+
+    @RestMapping(name = "sheets", comment = "导入选择列表数据准备")
+    public JBean sheets(String cate, //类型
+                        //excel {文件地址}
+                        String filePath,
+
+                        //mysql {数据库连接账号、数据源id、数据库database数组}
+                        DbAccount dbAccount, String dbPlatId, String[] catalogs,
+                        @RestParam(name = "platToken") String token) {
+
+        JBean jBean = new JBean();
+
+        if ("excel".equals(cate)) {
+            jBean.setBody(fileService.data(filePath, token));
+
+        } else if ("mysql".equals(cate)){
+            List<Table> list = dbService.tableList(dbAccount, dbPlatId, catalogs);
+
+            String[] tableArr = list.stream().map(Table::getName).toArray(String[]::new);
+            CompletableFuture<List<String>> hvFuture = tableExist(tableArr, token);
+
+            try {
+                List<String> _hv = hvFuture.get();
+
+                List<MetaTable> sheets = new ArrayList<>();
+                list.forEach(x -> {
+                    MetaTable bean = MetaTable.toAs(x);
+                    bean.setHv(_hv.contains(x.getName()) ? 1 : 0);
+                    sheets.add(bean);
+                });
+
+                //对数据分组后返回
+                Kv<String, MetaTable> data = Kv.of();
+                sheets.forEach(x -> data.set(x.getName(), x));
+
+                jBean.setBody(data);
+            } catch (InterruptedException | ExecutionException e) {
+                e.printStackTrace();
+            }
+        }
+
+        return jBean;
+    }
+
+
+    /*public JBean tableInfo(DbAccount dbAccount,
+                           String dbPlatId, String catalog, String tableName) {
+
+        dbService.tableInfo(dbAccount, dbPlatId, catalog, tableName)
+
+        return null;
+    }*/
+
+    @RestMapping(name = "table_save", comment = "保存数据源实体到元数据实体表")
+    public void tableSave(String dbPlatId,
+                          String catalog,
+                          String[] tableArr,
+                          @RestParam(name = "platToken") String token) {
+
+        CompletableFuture<List<String>> hvfuture = tableExist(tableArr, token);
+        List<Table> tables = dbService.tableList(dbPlatId, catalog, tableArr);
+
+        try {
+            List<String> hvs = hvfuture.get();
+            tables.forEach(t -> {
+                if (!hvs.contains(t.getName())) {
+                    MetaTable metaTable = MetaTable.toAs(t);
+                    metaTable.setCatalog(catalog);
+                    metaTable.setDbPlatId(dbPlatId);
+                    metaTable.setAlias("");//todo: 表别名
+
+                    //保存数据到元数据表
+                    metaTable.save();
+                }
+            });
+        } catch (InterruptedException | ExecutionException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+    @Comment("查询元数据中存在的表")
+    private CompletableFuture<List<String>> tableExist(String[] tableArr, String token) {
+        return CompletableFuture.supplyAsync(() -> {
+            StringBuffer buf = new StringBuffer();
+            buf.append("for d in MetaTable\n" +
+                    "    filter d.name in [");
+            for (String x : tableArr) {
+                buf.append("'").append(x).append("',");
+            }
+            buf.deleteCharAt(buf.length() - 1);
+            buf.append("] and d.sysPlatId=='" + platId(token) + "'\n" +
+                    " return d.name");
+            List<String> hv = MetaTable.dao.find(buf.toString(), String.class); //在元数据中已经存在的sheet
+            return hv;
+        });
+    }
+}