Json文件批量转Excel文件
都是策划自己的锅,为了大家的工作进度,还是帮他们吧。毕竟大家都挺不容易的。不说废话了。
static void Main(string[] args)
{
string path_newJson = System.Environment.CurrentDirectory + "\\JosnNew"; //新的json数据目录
string path_newXml = System.Environment.CurrentDirectory + "\\outputXmlNew\\"; //输出新的目录
var newJsonfiles = Directory.GetFiles(path_newJson);
foreach (var file in newJsonfiles)
{
string strJson = string.Empty;
var ext = Path.GetExtension(file);
if (ext.Equals(".json"))
{
strJson = File.ReadAllText(file, Encoding.UTF8);
//读出文本文件
strJson = strJson.Replace("\n", "").Replace(" ", "").Replace("\t", "").Replace("\r", "");//去除空行
strJson = strJson.Replace("*", "×");
string name = Path.GetFileNameWithoutExtension(file);
DataTable table = JsonToObj(strJson, name);
string PathName = path_newXml + name + "Els.xls";
dataTableToCsv(table, PathName);
}
}
Console.ReadLine();
}
public static DataTable JsonToObj(string strJson, string name)
{
DataTable tb = null;
//提取json的数据项
JArray arrays = (JArray)JsonConvert.DeserializeObject(strJson);
for (int i = 0; i < arrays.Count; i++)
{
string strData = arrays[i].ToString();
strData = strData.Replace(" ", "").Replace(" ", "").Replace("\r\n", "").Replace(",\"", "*\"").Replace("\":", "\"#").ToString();
strData = strData.Remove(0, 1);
strData = strData.Remove(strData.Length - 1);
string[] strRows = strData.Split('*');
//创建表
if (tb == null)
{
tb = new DataTable();
tb.TableName = name;
foreach (string str in strRows)
{
var dc = new DataColumn();
string[] strCell = str.Split('#');
if (strCell[0].Substring(0, 1) == "\"")
{
int a = strCell[0].Length;
dc.ColumnName = strCell[0].Substring(1, a - 2);
}
else
{
dc.ColumnName = strCell[0];
}
tb.Columns.Add(dc);
}
tb.AcceptChanges();
}
//增加内容
DataRow dr = tb.NewRow();
for (int r = 0; r < strRows.Length; r++)
{
if (strRows[r].Length > 1)
{
dr[r] = strRows[r].Split('#')[1].Trim().Replace(",", ",").Replace(":", ":").Replace("\"", "");
}
}
tb.Rows.Add(dr);
tb.AcceptChanges();
}
return tb;
}
//转Excel
public static void dataTableToCsv(DataTable table, string file)
{
if (table == null)
{
Console.WriteLine("表格出错了!!!!" + file);
return;
}
Console.WriteLine("转Excel...");
string title = "";
FileStream fs = new FileStream(file, FileMode.OpenOrCreate);
StreamWriter sw = new StreamWriter(new BufferedStream(fs), System.Text.Encoding.Default);
for (int i = 0; i < table.Columns.Count; i++)
{
title += table.Columns[i].ColumnName + "\t"; //栏位:自动跳到下一单元格
}
title = title.Substring(0, title.Length - 1) + "\n";
sw.Write(title);
foreach (DataRow row in table.Rows)
{
string line = "";
for (int i = 0; i < table.Columns.Count; i++)
{
line += row[i].ToString().Trim() + "\t"; //内容:自动跳到下一单元格
}
line = line.Substring(0, line.Length - 1) + "\n";
sw.Write(line);
}
sw.Close();
fs.Close();
Console.WriteLine("转Excel完成...");
}
其实也不算难,只要理解如何对json处理,我的想法是,把每一个{ }里面的数据当成一个对象理解。也就是:
然后读取每个json对象的信息,最后写入Excel中,
插件下载链接:Json 批量 转 Excel工具