新完成了一些metaDetail函数

backend/src/main/java/org/bdware/sc/registry/DBConnector.java

@@ -206,6 +206,68 @@ public class DBConnector {
       LOGGER.error(e.getMessage());
       LOGGER.debug(ExceptionUtil.exceptionToString(e));
     }
-    return new JsonObject();
+    return null;
+  }
+
+
+
+  public static JsonObject queryMapRuleByOffset(int offset, int count, String localDoId) {
+    String sql = "select * from registry.map_rule where \"localMetadata\" = ? limit ? offset ? ;";
+
+    // execute sql
+    PreparedStatement pstmt = null;
+    try {
+      connect();
+      pstmt = jdbcConnection.prepareStatement(sql);
+      pstmt.setString(1, localDoId);
+      pstmt.setInt(2, count);
+      pstmt.setInt(3, offset);
+
+      String[] columns = {
+              "name",
+              "localMetadata",
+              "remoteMetadata",
+              "mapRule",
+              "version",
+              "createTime",
+              "updateTime",
+              "creator",
+              "updater",
+              "status"
+      };
+
+      System.out.println(pstmt);
+
+      ResultSet rs = null;
+      int total = 0;
+      JsonObject ret = new JsonObject();
+      JsonArray data = new JsonArray();
+      rs = pstmt.executeQuery();
+      while (rs.next()) {
+        total ++;
+        JsonObject row = new JsonObject();
+        for (String col : columns) {
+          if (col.equals("createTime") || col.equals("updateTime"))
+            row.addProperty(col, rs.getTimestamp(col).toString());
+          else if (col.equals("status"))
+            row.addProperty(col, rs.getBoolean(col));
+          else
+            row.addProperty(col, rs.getString(col));
+        }
+        data.add(row);
+      }
+      ret.addProperty("total", total);
+      ret.add("data", data);
+      rs.close();
+
+      pstmtClose(pstmt);
+      connClose(jdbcConnection);
+
+      return ret;
+    } catch (SQLException e) {
+      LOGGER.error(e.getMessage());
+      LOGGER.debug(ExceptionUtil.exceptionToString(e));
+    }
+    return null;
   }
 }

backend/src/main/java/org/bdware/sc/registry/RegistryDB.java

@@ -75,7 +75,22 @@ public class RegistryDB {
       stateCode = 0;
       return JSONTool.convertJsonElementToMirror(ret);
     }
-    return null;
+    return new JsonObject();
+  }
+
+  public static Object queryMapRuleByOffset(ScriptObjectMirror scriptMirrorObject) {
+    JsonObject jo = convertMirrorToJson(scriptMirrorObject).getAsJsonObject();
+    int offset = jo.get("offset").getAsInt();
+    int count = jo.get("count").getAsInt();
+    String localMetaStandardDoid = jo.get("localMetaStandardDoid").getAsString();
+    JsonObject ret = DBConnector.queryMapRuleByOffset(offset, count, localMetaStandardDoid);
+    if(ret == null) {
+      stateCode = -1;
+    } else {
+      stateCode = 0;
+      return JSONTool.convertJsonElementToMirror(ret);
+    }
+    return new JsonObject();
   }
 
   public static int getLastExecuteStatus() {

backend/yjs/metaDetail.yjs

@@ -13,6 +13,7 @@ module metaStandardDetail {
     //    };
     }
 
+//{"localDataSample":{"owner":"abcdef","size":"1234"},"mapRule":{"所有者":"${val.owner}","大小":"${val.size*1000}","偏移过的大小":"${edp(val.size,30.0)}" }}
     export function verifyRule(arg) {
         arg = convertArgToJson(arg);
         var ret = {};
@@ -80,7 +81,6 @@ module metaStandardDetail {
 
     export function listRemoteRegistry() {
         arg = convertArgToJson(arg);
-        var ret = [];
 
         var ret = [{
                 "registryID":"macjw",
@@ -124,25 +124,10 @@ module metaStandardDetail {
 
 //{"offset":..,"count":,"localMetaStandardDoid":}
     export function listMetaStandardRelaction(arg) {
-        var ret = [];
-        ret.push({
-            "name":"煤矿传感数据映射",
-            "localMetaStandardDoid":"xx.xx/adfa",
-            "remoteMetaStandardDoid":"ab.ccd/aaaaa-aaa",
-            "createDate":167227222,
-            "updateDate":1111111,
-            "creator":"aabbcc",
-            "updater":"aabbcc",
-            "mapRule":{
-                "owner":"${val.大小}",
-                "pubkey":"function(val){}",
-            }
-        });
-        return {
-            "total":10,
-            "data":ret,
-            "code":0
-        };
+        arg = convertArgToJson(arg);
+        var ret = org.bdware.sc.registry.RegistryDB.queryMapRuleByOffset(arg);
+        ret.code = org.bdware.sc.registry.RegistryDB.getLastExecuteStatus();
+        return ret;
     }
 
 //{"localMetaID":"xxx","mapRule":{},"remoteMetaID":"xxx"}