增加了示例fiber_id 修改了rust中关于字符串的处理

rust/iris_rust/src/read.rs

@@ -26,6 +26,7 @@ pub fn read_spectral_info<R: Read>(reader: &mut R) -> Result<SpectralInfo> {
     let mut sensor_buf = [0u8; 50];
     reader.read_exact(&mut sensor_buf)?;
     info.sensor_id = String::from_utf8_lossy(&sensor_buf).trim_end_matches('\0').to_string();
+    info.sensor_id = remove_after_null_split_once( info.sensor_id);
 
     // Read wave coefficients
     for i in 0..4 {
@@ -49,6 +50,7 @@ pub fn read_image_info<R: Read>(reader: &mut R) -> Result<ImageInfo> {
     let mut name_buf = [0u8; 100];
     reader.read_exact(&mut name_buf)?;
     info.name = String::from_utf8_lossy(&name_buf).trim_end_matches('\0').to_string();
+    info.name = remove_after_null_split_once(info.name);
 
     // Read collection time
     info.collection_time = read_time(reader)?;
@@ -202,7 +204,15 @@ pub fn read_other_info<R: Read>(reader: &mut R) -> Result<OtherInfo> {
 
     Ok(info)
 }
-
+fn remove_after_null_split_once(s: String) -> String {
+    if let Some((before_null, _after_null)) = s.split_once('\0') {
+        // 返回 \0 之前的部分
+        before_null.to_string()
+    } else {
+        // 如果没有找到 \0，就返回原始 String
+        s
+    }
+}
 pub fn read_spectral_data<R: Read>(reader: &mut R) -> Result<SpectralData> {
     let mut data = SpectralData::new();
     
@@ -213,10 +223,12 @@ pub fn read_spectral_data<R: Read>(reader: &mut R) -> Result<SpectralData> {
     name_buf[99] = 0; // Ensure null termination
     let temp= String::from_utf8_lossy(&name_buf);
     data.name = temp.trim_end_matches('\0').to_string();
+    data.name = remove_after_null_split_once(data.name);
 
     let mut sensor_buf = [0u8; 50];
     reader.read_exact(&mut sensor_buf)?;
     data.sensor_id = String::from_utf8_lossy(&sensor_buf).trim_end_matches('\0').to_string();
+    data.sensor_id = remove_after_null_split_once(data.sensor_id);
     let mut uint8_buf = [0u8; 1];
 
     reader.read_exact(&mut uint8_buf)?;