From 6cb2134a53422f471f4f9b77c34d67e1fb4d31db Mon Sep 17 00:00:00 2001 From: 张洋洋 <10611411+yang-yang-z@user.noreply.gitee.com> Date: 星期四, 09 一月 2025 10:16:56 +0800 Subject: [PATCH] [add]h5读取改造 --- src/main/java/com/se/simu/utils/CsvToSQLiteUtils.java | 54 ++++++++++++++++++++++++++++++++++++++++++++++++------ 1 files changed, 48 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 0ce72c1..d4df8b0 100644 --- a/src/main/java/com/se/simu/utils/CsvToSQLiteUtils.java +++ b/src/main/java/com/se/simu/utils/CsvToSQLiteUtils.java @@ -1,5 +1,8 @@ package com.se.simu.utils; +import com.alibaba.fastjson.JSON; +import com.alibaba.fastjson.JSONArray; +import com.alibaba.fastjson.JSONObject; import org.apache.commons.csv.CSVFormat; import org.apache.commons.csv.CSVRecord; @@ -156,8 +159,9 @@ * @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 +174,7 @@ // 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 +182,13 @@ } 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 +196,6 @@ .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 +215,13 @@ 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++; @@ -228,8 +239,15 @@ } 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; } + /** + * 鑾峰彇鎬昏 + * + * @param tableName 琛ㄥ悕绉� + * @return {@link Double} + */ public static Double getTotal(String tableName) { // 1. 鍒涘缓SQLite鏁版嵁搴撹繛鎺� try (Connection conn = DriverManager.getConnection("jdbc:sqlite:rainfall.db")) { @@ -254,7 +272,31 @@ return null; } - public static Integer getDuration(String tableName) { + /** + * @param tableName 琛ㄥ悕绉� + * @return {@link Integer} + */ + public static Integer getDuration(String tableName) throws SQLException { + // // 1. 杩炴帴鏁版嵁搴� + // try (Connection conn = DriverManager.getConnection("jdbc:sqlite:rainfall.db")) { + // // 2. 鎵ц鏌ヨ璇彞 + // String queryDataSql = "SELECT duration FROM " + tableName; + // try (PreparedStatement pstmt = conn.prepareStatement(queryDataSql)) { + // ResultSet rs = pstmt.executeQuery(); + // while (rs.next()) { + // // 鑾峰彇鎬诲拰 + // return rs.getInt("duration"); + // } + // } catch (SQLException e) { + // throw new RuntimeException(e); + // } + // } catch (SQLException e) { + // System.err.println("SQLite杩炴帴澶辫触: " + e.getMessage()); + // } + + // 鐩墠鍏堟牴鎹枃浠剁殑鍐呭锛屾墜鍔ㄧ粰鍊硷紝鍚庣画浣跨敤瑙f瀽鏂囦欢鍐呭涓殑鏃堕棿 + // TODO: 2024/12/27 鐩墠鍏堟牴鎹枃浠剁殑鍐呭锛屾墜鍔ㄧ粰鍊硷紝鎻愰珮澶勭悊閫熷害銆傚悗缁娇鐢ㄨВ鏋愭枃浠跺唴瀹逛腑鐨勬椂闂淬�� return 1440; } + } -- Gitblit v1.9.3