根据前端上传数据的修改，修正了相关代码

src/db.rs

@@ -7,7 +7,7 @@ use crate::models::{WeatherData, WeatherDataBrief, WeatherListResponse};
 
 // 用于插入weather_data的数据
 pub async fn insert_weather_data(pool: &PgPool, weather_data: &WeatherData) -> Result<i32, String> {
-    // 1. 根据 openid 查询 user_id
+    // 1. 根据 openid 查询 user_id (这部分逻辑不变)
     let user_id = match sqlx::query_as::<_, (i32,)>("SELECT id FROM users WHERE openid = $1")
         .bind(&weather_data.openid)
         .fetch_optional(pool)
@@ -22,7 +22,7 @@ pub async fn insert_weather_data(pool: &PgPool, weather_data: &WeatherData) -> R
         }
     };
 
-    // 2. 准备插入数据的 SQL 语句
+    // 2. 准备插入数据的 SQL 语句 (SQL本身不变)
     let insert_query = r#"
         INSERT INTO weather_data (
             user_id, title, date, hour, min, longitude, latitude, daysincejanfirst,
@@ -39,15 +39,11 @@ pub async fn insert_weather_data(pool: &PgPool, weather_data: &WeatherData) -> R
         ) RETURNING id
     "#;
 
-    // 转换经纬度为字符串
-    //let longitude_str = weather_data.longitude.to_string();
-    //let latitude_str = weather_data.latitude.to_string();
-
     // 3. 执行插入操作
     let inserted_id = match sqlx::query_as::<_, (i32,)>(insert_query)
         .bind(user_id)
         .bind(&weather_data.title)
-        .bind(weather_data.date) // NaiveDate 类型，sqlx 会自动处理
+        .bind(weather_data.date)
         .bind(weather_data.hours)
         .bind(weather_data.min)
         .bind(&weather_data.longitude)
@@ -61,11 +57,11 @@ pub async fn insert_weather_data(pool: &PgPool, weather_data: &WeatherData) -> R
         .bind(&weather_data.cloud_index)
         .bind(weather_data.solar_radiation_level as i32)
         .bind(weather_data.has_measured_wind_speed)
-        .bind(weather_data.measured_wind_speed)
-        .bind(weather_data.converted_wind_speed as i32)
-        .bind(weather_data.measurement_height)
+        .bind(weather_data.measured_wind_speed) // <-- 修改: 直接绑定 Option<f64>
+        .bind(weather_data.converted_wind_speed) // <-- 修改: 直接绑定 Option<i32>，并移除 `as i32`
+        .bind(weather_data.measurement_height) // <-- 修改: 直接绑定 Option<f64>
         .bind(&weather_data.area_type)
-        .bind(weather_data.point_wind_speed)
+        .bind(weather_data.point_wind_speed) // <-- 修改: 直接绑定 Option<f64>
         .bind(&weather_data.atmospheric_stability)
         .bind(&weather_data.suitability_degree)
         .bind(
@@ -84,7 +80,7 @@ pub async fn insert_weather_data(pool: &PgPool, weather_data: &WeatherData) -> R
         .bind(&weather_data.overall_suitability)
         .bind(&weather_data.inspection_type)
         .bind(&weather_data.assignment_number)
-        .bind(weather_data.calculated_wind_speed)
+        .bind(weather_data.calculated_wind_speed) // 这个本来就是 Option，无需修改
         .bind(weather_data.has_spot_check_wind_speed)
         .fetch_one(pool)
         .await