readFileText method
从指定文件目录中读取文本内容
filePath 文件路径
Implementation
String readFileText() {
try {
final file = File(this);
if (!file.existsSync()) {
return '';
}
return File(this).readAsStringSync();
} catch (e) {
Logger.log('Error reading from file: $e');
return '';
}
}