// 载入一个csv文件并解析
private static bool LoadCsv(string file, bool checkValid,
out List <Dictionary <string, string> > records,
out List <CsvField> fields,
out string primaryKey)
{
return(ParseLines(FileMgr.ReadLines(file), checkValid, out records, out fields, out primaryKey));
}
/// <summary>
/// 序列化csv文件操作.
/// </summary>
public static void Save(string filePath, bool checkValid, string dir)
{
CsvFile csv = new CsvFile(System.IO.Path.GetFileNameWithoutExtension(filePath));
string[] lines = FileMgr.ReadLines(filePath);
if (lines.Length == 0)
{
NIDebug.Log("空文件 {0}", lines);
return;
}
// 解析csv文件
CsvParser cp = new CsvParser();
LPCValue m;
try
{
cp.Load(filePath, checkValid);
if (cp.Fields.Count == 0 || cp.Records.Count == 0)
{
return;
}
m = ImportMgr.Read(cp);
}
catch (Exception e)
{
NIDebug.Log("读取csv错误 {0}\n{1}", filePath, e.ToString());
return;
}
// 主key
csv.primaryKey = cp.PrimaryKey;
// 列名字对应的索引
for (int i = 0; i < cp.Fields.Count; i++)
{
csv.columns.Add(cp.Fields[i].name, i);
}
// 每列值
csv.rows = new CsvRow[m.AsArray.Count];
for (int i = 0; i < m.AsArray.Count; i++)
{
LPCValue v = m.AsArray[i];
CsvRow row = new CsvRow(csv);
for (int idx = 0; idx < cp.Fields.Count; idx++)
{
row.Add(idx, v.AsMapping[cp.Fields[idx].name]);
}
csv.AddRow(i, row);
}
// 序列化
MemoryStream ms = new MemoryStream();
CsvFileMgr.Serialize(ms, csv);
// 写入数据
string fileName = System.IO.Path.GetFileNameWithoutExtension(filePath);
// 确保路径存在
Directory.CreateDirectory(dir);
FileStream fs = new FileStream(dir + "/" + fileName + CSV_EXT, FileMode.Create, FileAccess.Write);
fs.Write(ms.GetBuffer(), 0, (int)ms.Length);
fs.Close();
}
