From 1ad7b12d159e4b69e8c23670e64de1700e2c8ed4 Mon Sep 17 00:00:00 2001 From: 张洋洋 <10611411+yang-yang-z@user.noreply.gitee.com> Date: 星期二, 14 一月 2025 11:53:57 +0800 Subject: [PATCH] [add]管线json --- src/main/java/com/se/simu/utils/CsvToSQLiteUtils.java | 97 +++++++++++++++++++++++++++++++++++++++++++++--- 1 files changed, 91 insertions(+), 6 deletions(-) diff --git a/src/main/java/com/se/simu/utils/CsvToSQLiteUtils.java b/src/main/java/com/se/simu/utils/CsvToSQLiteUtils.java index 165bb0d..46d9e63 100644 --- a/src/main/java/com/se/simu/utils/CsvToSQLiteUtils.java +++ b/src/main/java/com/se/simu/utils/CsvToSQLiteUtils.java @@ -1,5 +1,9 @@ package com.se.simu.utils; +import com.alibaba.fastjson.JSON; +import com.alibaba.fastjson.JSONArray; +import com.alibaba.fastjson.JSONObject; +import com.se.simu.domain.vo.StationRainVo; import org.apache.commons.csv.CSVFormat; import org.apache.commons.csv.CSVRecord; @@ -9,6 +13,10 @@ import java.nio.file.Files; import java.nio.file.Paths; import java.sql.*; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.Objects; /** * CSV 鍒� SQLite 瀹炵敤绋嬪簭 @@ -156,8 +164,9 @@ * @param stationRainFile Station Rain 鏂囦欢 * @param tableName 琛ㄥ悕绉� */ - public static void readCsvSaveLocal(String stationRainFile, String tableName) { + public static JSONArray readCsvSaveLocal(String stationRainFile, String tableName) { // 1. 鍒涘缓SQLite鏁版嵁搴撹繛鎺� + JSONArray array = null; try (Connection conn = DriverManager.getConnection("jdbc:sqlite:rainfall.db")) { if (conn != null) { // 2. 鍒涘缓琛紙濡傛灉涓嶅瓨鍦級 @@ -170,7 +179,7 @@ // 4. 寮�濮嬩簨鍔� conn.setAutoCommit(false); // 5. 璇诲彇CSV鏂囦欢骞舵彃鍏ユ暟鎹� - readCsvAndInsertDatas(stationRainFile, conn, tableName); + array = readCsvAndInsertDatas(stationRainFile, conn, tableName); // 6. 鎻愪氦浜嬪姟 conn.commit(); System.out.println("鏁版嵁鎴愬姛鎻掑叆鍒癝QLite鏁版嵁搴擄紒"); @@ -178,11 +187,13 @@ } catch (SQLException e) { System.err.println("SQLite杩炴帴澶辫触: " + e.getMessage()); } + return array; } - private static void readCsvAndInsertDatas(String csvFilePath, Connection conn, String tableName) { + private static JSONArray readCsvAndInsertDatas(String csvFilePath, Connection conn, String tableName) { // 浣跨敤 Apache Commons CSV 璇诲彇CSV鏂囦欢 + JSONArray array = new JSONArray(); try (Reader reader = new InputStreamReader(Files.newInputStream(Paths.get(csvFilePath)), "GBK")) { Iterable<CSVRecord> records = CSVFormat.DEFAULT .withHeader("闆ㄩ噺绔�", "闄嶉洦閲�", "缁忓害", "绾害", "datatime") @@ -190,7 +201,6 @@ .parse(reader); String insertDataSql = "INSERT INTO " + tableName + " (station_name, rainfall, longitude, latitude, datetime) VALUES (?, ?, ?, ?, ?);"; - try (PreparedStatement pstmt = conn.prepareStatement(insertDataSql)) { // 鎵归噺澶у皬 int batchSize = 1000; @@ -210,7 +220,13 @@ pstmt.setDouble(3, longitude); pstmt.setDouble(4, latitude); pstmt.setString(5, datetime); - + JSONObject jsonObject = new JSONObject(); + jsonObject.put("stationName", stationName); + jsonObject.put("rainfall", rainfall); + jsonObject.put("longitude", longitude); + jsonObject.put("latitude", latitude); + jsonObject.put("datetime", datetime); + array.add(jsonObject); // 娣诲姞鍒版壒澶勭悊 pstmt.addBatch(); count++; @@ -228,6 +244,7 @@ } catch (IOException e) { System.err.println("璇诲彇CSV鎴栨彃鍏ユ暟鎹椂鍑洪敊: " + e.getMessage()); } + return array; } /** @@ -256,7 +273,6 @@ } catch (SQLException e) { System.err.println("SQLite杩炴帴澶辫触: " + e.getMessage()); } - return null; } @@ -287,4 +303,73 @@ return 1440; } + /** + * 鍒嗙粍鏌ヨ + * + * @param tableName 琛ㄥ悕绉� + * @return {@link Double} + */ + public static List<String> getNameList(String tableName) { + // 1. 鍒涘缓SQLite鏁版嵁搴撹繛鎺� + try (Connection conn = DriverManager.getConnection("jdbc:sqlite:rainfall.db")) { + if (conn != null) { + // 2. 鎵цSQL鏌ヨ + String queryDataSql = "SELECT station_name FROM " + tableName + " GROUP BY station_name"; + // 3. 澶勭悊鏌ヨ缁撴灉 + try (PreparedStatement pstmt = conn.prepareStatement(queryDataSql)) { + ResultSet rs = pstmt.executeQuery(); + List<String> list = new ArrayList<>(); + while (rs.next()) { + // 鑾峰彇鎬诲拰 + list.add(rs.getString("station_name")); + } + return list; + } catch (SQLException e) { + System.err.println("鏌ヨ鏁版嵁鏃跺嚭閿�: " + e.getMessage()); + } + } + } catch (SQLException e) { + System.err.println("SQLite杩炴帴澶辫触: " + e.getMessage()); + } + return null; + } + + /** + * 鍒嗙粍鏌ヨ + * + * @param tableName 琛ㄥ悕绉� + * @return {@link Double} + */ + public static List<StationRainVo> getList(String tableName, String name) { + // 1. 鍒涘缓SQLite鏁版嵁搴撹繛鎺� + try (Connection conn = DriverManager.getConnection("jdbc:sqlite:rainfall.db")) { + if (conn != null) { + // 2. 鎵цSQL鏌ヨ + String queryDataSql = "SELECT * FROM " + tableName + " WHERE station_name='" + name + "' ORDER BY id asc"; + // 3. 澶勭悊鏌ヨ缁撴灉 + try (PreparedStatement pstmt = conn.prepareStatement(queryDataSql)) { + ResultSet rs = pstmt.executeQuery(); + List<StationRainVo> list = new ArrayList<>(); + StationRainVo vo; + while (rs.next()) { + vo = new StationRainVo(); + vo.setId(rs.getLong("id")); + vo.setStationName(rs.getString("station_name")); + vo.setRainfall(rs.getDouble("rainfall")); + vo.setLatitude(rs.getDouble("latitude")); + vo.setLongitude(rs.getDouble("longitude")); + vo.setDatetime(rs.getString("datetime")); + list.add(vo); + } + return list; + } catch (SQLException e) { + System.err.println("鏌ヨ鏁版嵁鏃跺嚭閿�: " + e.getMessage()); + } + } + } catch (SQLException e) { + System.err.println("SQLite杩炴帴澶辫触: " + e.getMessage()); + } + return null; + } + } -- Gitblit v1.9.3