获取EPPlus
下载EPPlus
将得到的EPPlus.dll移动到Plugins文件夹下
读取Excel数据
// Assets/Example_01/Editor/HandleExcel.cs
using System;
using System.Collections.Generic;
using System.IO;
using Example_01.Scripts;
using OfficeOpenXml;
using UnityEditor;
using UnityEngine;
public class HandleExcel
{
/// <summary>
/// 读取Excel
/// </summary>
[MenuItem("Assets/Excel/Read File", false, 0)]
public static void ReadExcel()
{
string[] ids = Selection.assetGUIDs;
foreach (var id in ids)
{
string path = $"{
Environment.CurrentDirectory}/{
AssetDatabase.GUIDToAssetPath(id)}";
Debug.Log(path);
using FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
using ExcelPackage excel = new ExcelPackage(fs);
// 获取Sheet集合
ExcelWorksheets worksheets = excel.Workbook.Worksheets;
foreach (var worksheet in worksheets)
{
// 获取当前工作表名称
Debug.Log(worksheet.Name);
int colCount = worksheet.Dimension.End.Column;
int rowCount = worksheet.Dimension.End.Row;
for (int row = 1; row <= rowCount; row++)
{
for (int col = 1; col <= colCount; col++)
{
string text = worksheet.Cells[row, col].Text;
Debug.Log($"({
row}, {
col}) ---> {
text}");
}
}
}
}
}
}
创建并向Excel中写入数据
// Assets/Example_01/Editor/HandleExcel.cs
using System;
using System.Collections.Generic;
using System.IO;
using Example_01.Scripts;
using OfficeOpenXml;
using UnityEditor;
using UnityEngine;
public class HandleExcel
{
/// <summary>
/// 创建与写入Excel
/// </summary>
[MenuItem("Assets/Excel/Create & Write File", false, 1)]
public static void CreateWriteExcel()
{
string path = $"{
Application.dataPath}/Example_01/Excels/{
DateTime.Now:yyyy-MM-dd hhmmss}.xlsx";
Debug.Log(path);
FileInfo file = new FileInfo(path);
ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
using ExcelPackage excel = new ExcelPackage(file);
// 向excel中写入数据
ExcelWorksheet worksheet = excel.Workbook.Worksheets.Add("Sheet 1");
worksheet.Cells[1, 1].Value = "Lee";
worksheet = excel.Workbook.Worksheets.Add("Sheet 2");
worksheet.Cells[1, 1].Value = "Prosper";
// 保存
excel.Save();
AssetDatabase.Refresh();
}
}
读取Excel数据并生成Asset静态资源文件
// Assets/Example_01/Editor/HandleExcel.cs
using System;
using System.Collections.Generic;
using System.IO;
using Example_01.Scripts;
using OfficeOpenXml;
using UnityEditor;
using UnityEngine;
public class HandleExcel
{
/// <summary>
/// 读取Excel数据并生成Asset静态资源文件
/// </summary>
[MenuItem("Assets/Excel/Create Asset File", false, 2)]
public static void CreateExcelData()
{
ExcelData script = ScriptableObject.CreateInstance<ExcelData>();
string[] ids = Selection.assetGUIDs;
foreach (var id in ids)
{
string path = $"{
Environment.CurrentDirectory}/{
AssetDatabase.GUIDToAssetPath(id)}";
using FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
using ExcelPackage excel = new ExcelPackage(fs);
// 获取Sheet集合
ExcelWorksheets worksheets = excel.Workbook.Worksheets;
foreach (var worksheet in worksheets)
{
List<ExcelDataInfo> list = new List<ExcelDataInfo>();
int colCount = worksheet.Dimension.End.Column;
int rowCount = worksheet.Dimension.End.Row;
for (int row = 1; row <= rowCount; row++)
{
for (int col = 1; col <= colCount; col++)
{
string text = worksheet.Cells[row, col].Text;
list.Add(new ExcelDataInfo
{
row = row,
col = col,
text = text
});
}
}
script.sheets.Add(new ExcelDataSheet
{
name = worksheet.Name,
list = list
});
}
}
// 对象转换成json
string json = JsonUtility.ToJson(script.sheets);
Debug.Log(json);
// json转换成对象
List<ExcelDataInfo> data = JsonUtility.FromJson<List<ExcelDataInfo>>(json);
Debug.Log(data);
// 将资源保存到本地
string savePath =
$"Assets/Example_01/Resources/ExcelAssetData {
DateTime.Now:yyyy-MM-dd hhmmss}.asset";
AssetDatabase.CreateAsset(script, savePath);
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
}
}
// Assets/Example_01/Scripts/ExcelData.cs
using System.Collections.Generic;
using UnityEngine;
namespace Example_01.Scripts
{
public class ExcelData : ScriptableObject
{
public List<ExcelDataSheet> sheets = new List<ExcelDataSheet>();
}
[System.Serializable]
public class ExcelDataSheet
{
[Tooltip("Sheet页名称")] public string name;
[Tooltip("Sheet页具体内容")] public List<ExcelDataInfo> list;
}
[System.Serializable]
public class ExcelDataInfo
{
[Tooltip("行")] public int row;
[Tooltip("列")] public int col;
[Tooltip("内容")] public string text;
}
}
JSON解析
Unity中JSON不支持字典类型，通过继承ISerializationCallbackReceiver接口实现字典序列化
// Assets/Example_01/Editor/HandleExcel.cs
using System;
using System.Collections.Generic;
using System.IO;
using Example_01.Scripts;
using OfficeOpenXml;
using UnityEditor;
using UnityEngine;
public class HandleExcel
{
/// <summary>
/// Unity中JSON不支持字典类型，通过继承ISerializationCallbackReceiver接口实现字典序列化
/// </summary>
[MenuItem("Assets/Excel/Load Dictionary Data", false, 3)]
public static void LoadDictionaryData()
{
Data<string, string> data = new Data<string, string>
{
["firstName"] = "Prosper",
["lastName"] = "Lee"
};
string json = JsonUtility.ToJson(data);
Debug.Log(json); // {"keys":["firstName","lastName"],"values":["Prosper","Lee"]}
data = JsonUtility.FromJson<Data<string, string>>(json);
Debug.Log($"{
data["firstName"]}{
data["lastName"]}"); // ProsperLee
}
private class Data<TK, TV> : ISerializationCallbackReceiver
{
public List<TK> keys;
public List<TV> values;
private Dictionary<TK, TV> _data = new Dictionary<TK, TV>();
public TV this[TK key]
{
get => !_data.ContainsKey(key) ? default : _data[key];
set => _data[key] = value;
}
public void OnBeforeSerialize()
{
keys = new List<TK>();
values = new List<TV>();
foreach (KeyValuePair<TK, TV> item in _data)
{
keys.Add(item.Key);
values.Add(item.Value);
}
}
public void OnAfterDeserialize()
{
_data = new Dictionary<TK, TV>();
for (int i = 0; i < keys.Count; i++)
{
_data[keys[i]] = values[i];
}
keys = null;
values = null;
}
}
}