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 | 22 +++++++++++++++++-----
1 files changed, 17 insertions(+), 5 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..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++;
@@ -228,6 +239,7 @@
} 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;
}
/**
--
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