原文作者：HueiFeng
前言
目前Magicodes.IE更新到了2.2.3，感谢大家的支持，同时建议大家在使用过程中如果遇到一些问题或者说需要一些额外的功能可以直接提issues，当然更建议大家提PR。
近期更新
2020.05.24
【Nuget】版本更新到2.2.2
【Excel导入】增加了stream导入扩展方法
【Excel导出】增加了内容居中（单列居中、整表居中）
【导出】对一些中间件代码进行了修复及优化
2020.05.16
【Nuget】版本更新到2.2.1
【PDF导出】对模板引擎进行升级更新
2020.05.12
【Nuget】版本更新到2.2.0
【Excel模板导出】支持导出字节
【文档】Magicodes.IE Csv导入导出
【Excel导入导出】修复标注的添加问题
【导出】ASP.NET Core Web API 中使用自定义格式化程序导出Excel、Pdf、Csv等内容 #64
【导入导出】支持使用System.ComponentModel.DataAnnotations命名空间下的部分特性来控制导入导出 #63
性能测试
电脑配置以及环境如下所示：
BenchmarkDotNet=v0.12.1, OS=Windows 10.0.18363.836 (/November2018Update/19H2)
AMD Ryzen 3600X, CPU, logical and physical cores
.NET Core SDK=5.0.-preview.4.20258.
[Host] : .NET Core 3.1. (CoreCLR 4.700.20.20201, CoreFX 4.700.20.22101), X64 RyuJIT
Job-OONFAJ : .NET Framework 4.8 (4.8.4180.0), X64 RyuJIT
Job-YIUEXF : .NET Core 2.2. (CoreCLR 4.6.28207.03, CoreFX 4.6.28208.02), X64 RyuJIT
Job-LZHMKS : .NET Core 3.1. (CoreCLR 4.700.20.20201, CoreFX 4.700.20.22101), X64 RyuJIT
IterationCount= LaunchCount= WarmupCount=
Excel & Csv 导出
Excel导出如下所示：
| Method | Job | Runtime | RowsCount | Mean | Error | StdDev |
|---|---|---|---|---|---|---|
| ExportExcelAsByteArrayTest | Job-OONFAJ | .NET 4.6.1 | 10000 | 153.1 ms | 5.52 ms | 0.85 ms |
| ExportExcelAsByteArrayTest | Job-YIUEXF | .NET Core 2.2 | 10000 | 138.0 ms | 1.53 ms | 0.40 ms |
| ExportExcelAsByteArrayTest | Job-LZHMKS | .NET Core 3.1 | 10000 | 143.0 ms | 9.86 ms | 1.53 ms |
| ExportExcelAsByteArrayTest | Job-OONFAJ | .NET 4.6.1 | 120000 | 1,904.2 ms | 98.37 ms | 25.55 ms |
| ExportExcelAsByteArrayTest | Job-YIUEXF | .NET Core 2.2 | 120000 | 1,662.8 ms | 132.04 ms | 20.43 ms |
| ExportExcelAsByteArrayTest | Job-LZHMKS | .NET Core 3.1 | 120000 | 1,636.1 ms | 99.64 ms | 25.88 ms |
| ExportExcelAsByteArrayTest | Job-OONFAJ | .NET 4.6.1 | 240000 | 3,688.3 ms | 58.52 ms | 15.20 ms |
| ExportExcelAsByteArrayTest | Job-YIUEXF | .NET Core 2.2 | 240000 | 3,268.1 ms | 138.16 ms | 21.38 ms |
| ExportExcelAsByteArrayTest | Job-LZHMKS | .NET Core 3.1 | 240000 | 3,223.9 ms | 70.93 ms | 10.98 ms |
| ExportExcelAsByteArrayTest | Job-OONFAJ | .NET 4.6.1 | 500000 | 7,723.4 ms | 179.06 ms | 46.50 ms |
| ExportExcelAsByteArrayTest | Job-YIUEXF | .NET Core 2.2 | 500000 | 6,959.7 ms | 481.61 ms | 125.07 ms |
| ExportExcelAsByteArrayTest | Job-LZHMKS | .NET Core 3.1 | 500000 | 6,833.2 ms | 331.74 ms | 86.15 ms |
| ExportExcelAsByteArrayTest | Job-OONFAJ | .NET 4.6.1 | 1000000 | 15,443.7 ms | 582.64 ms | 151.31 ms |
| ExportExcelAsByteArrayTest | Job-YIUEXF | .NET Core 2.2 | 1000000 | 13,798.9 ms | 207.09 ms | 32.05 ms |
| ExportExcelAsByteArrayTest | Job-LZHMKS | .NET Core 3.1 | 1000000 | 13,484.1 ms | 424.85 ms | 110.33 ms |
Csv导出如下所示：
| Method | Job | Runtime | RowsCount | Mean | Error | StdDev |
|---|---|---|---|---|---|---|
| ExportCsvAsByteArrayTest | Job-SRSOYE | .NET 4.6.1 | 10000 | 30.43 ms | 2.493 ms | 0.647 ms |
| ExportCsvAsByteArrayTest | Job-WLDFBY | .NET Core 2.2 | 10000 | 30.12 ms | 5.981 ms | 1.553 ms |
| ExportCsvAsByteArrayTest | Job-JSEPRQ | .NET Core 3.1 | 10000 | 24.53 ms | 0.142 ms | 0.022 ms |
| ExportCsvAsByteArrayTest | Job-SRSOYE | .NET 4.6.1 | 120000 | 345.51 ms | 16.385 ms | 4.255 ms |
| ExportCsvAsByteArrayTest | Job-WLDFBY | .NET Core 2.2 | 120000 | 330.03 ms | 16.025 ms | 4.162 ms |
| ExportCsvAsByteArrayTest | Job-JSEPRQ | .NET Core 3.1 | 120000 | 287.98 ms | 11.898 ms | 3.090 ms |
| ExportCsvAsByteArrayTest | Job-SRSOYE | .NET 4.6.1 | 240000 | 687.57 ms | 10.379 ms | 2.695 ms |
| ExportCsvAsByteArrayTest | Job-WLDFBY | .NET Core 2.2 | 240000 | 656.00 ms | 13.741 ms | 2.126 ms |
| ExportCsvAsByteArrayTest | Job-JSEPRQ | .NET Core 3.1 | 240000 | 560.43 ms | 12.721 ms | 3.304 ms |
| ExportCsvAsByteArrayTest | Job-SRSOYE | .NET 4.6.1 | 500000 | 1,478.88 ms | 31.074 ms | 8.070 ms |
| ExportCsvAsByteArrayTest | Job-WLDFBY | .NET Core 2.2 | 500000 | 1,379.52 ms | 20.652 ms | 5.363 ms |
| ExportCsvAsByteArrayTest | Job-JSEPRQ | .NET Core 3.1 | 500000 | 1,182.48 ms | 39.358 ms | 10.221 ms |
| ExportCsvAsByteArrayTest | Job-SRSOYE | .NET 4.6.1 | 1000000 | 2,918.99 ms | 43.023 ms | 6.658 ms |
| ExportCsvAsByteArrayTest | Job-WLDFBY | .NET Core 2.2 | 1000000 | 2,751.29 ms | 19.970 ms | 5.186 ms |
| ExportCsvAsByteArrayTest | Job-JSEPRQ | .NET Core 3.1 | 1000000 | 2,332.39 ms | 57.988 ms | 8.974 ms |
Excel & Csv 导入
Excel导入如下所示：
| Method | Job | Runtime | RowsCount | Mean | Error | StdDev |
|---|---|---|---|---|---|---|
| ImportByStreamTest | Job-URKTYJ | .NET 4.6.1 | 10000 | 711.4 μs | 136.2 μs | 35.37 μs |
| ImportByStreamTest | Job-AFBGUZ | .NET Core 2.2 | 10000 | 746.2 μs | 131.8 μs | 20.40 μs |
| ImportByStreamTest | Job-DUXAFG | .NET Core 3.1 | 10000 | 792.4 μs | 186.5 μs | 48.42 μs |
| ImportByStreamTest | Job-URKTYJ | .NET 4.6.1 | 120000 | 2,297.6 μs | 181.3 μs | 47.08 μs |
| ImportByStreamTest | Job-AFBGUZ | .NET Core 2.2 | 120000 | 2,139.5 μs | 204.5 μs | 53.12 μs |
| ImportByStreamTest | Job-DUXAFG | .NET Core 3.1 | 120000 | 2,035.8 μs | 304.8 μs | 47.17 μs |
| ImportByStreamTest | Job-URKTYJ | .NET 4.6.1 | 240000 | 5,378.2 μs | 887.9 μs | 230.59 μs |
| ImportByStreamTest | Job-AFBGUZ | .NET Core 2.2 | 240000 | 5,345.6 μs | 989.9 μs | 257.08 μs |
| ImportByStreamTest | Job-DUXAFG | .NET Core 3.1 | 240000 | 4,672.5 μs | 1,004.5 μs | 260.86 μs |
| ImportByStreamTest | Job-URKTYJ | .NET 4.6.1 | 500000 | 11,336.6 μs | 657.3 μs | 170.69 μs |
| ImportByStreamTest | Job-AFBGUZ | .NET Core 2.2 | 500000 | 10,833.4 μs | 952.9 μs | 247.45 μs |
| ImportByStreamTest | Job-DUXAFG | .NET Core 3.1 | 500000 | 10,525.7 μs | 561.0 μs | 145.69 μs |
| ImportByStreamTest | Job-URKTYJ | .NET 4.6.1 | 1000000 | 21,965.7 μs | 1,058.5 μs | 274.88 μs |
| ImportByStreamTest | Job-AFBGUZ | .NET Core 2.2 | 1000000 | 20,612.1 μs | 628.2 μs | 163.14 μs |
| ImportByStreamTest | Job-DUXAFG | .NET Core 3.1 | 1000000 | 20,451.1 μs | 3,807.7 μs | 988.84 μs |
Csv导入如下所示：
| Method | Job | Runtime | RowsCount | Mean | Error | StdDev |
|---|---|---|---|---|---|---|
| ImportByStreamTest | Job-OPUXWE | .NET 4.6.1 | 10000 | 294.1 μs | 1.99 μs | 0.31 μs |
| ImportByStreamTest | Job-OVPAAE | .NET Core 2.2 | 10000 | 283.7 μs | 3.54 μs | 0.55 μs |
| ImportByStreamTest | Job-AMXXYD | .NET Core 3.1 | 10000 | 284.5 μs | 1.77 μs | 0.46 μs |
| ImportByStreamTest | Job-OPUXWE | .NET 4.6.1 | 120000 | 2,116.1 μs | 13.28 μs | 2.05 μs |
| ImportByStreamTest | Job-OVPAAE | .NET Core 2.2 | 120000 | 1,855.8 μs | 80.59 μs | 20.93 μs |
| ImportByStreamTest | Job-AMXXYD | .NET Core 3.1 | 120000 | 1,849.3 μs | 186.63 μs | 48.47 μs |
| ImportByStreamTest | Job-OPUXWE | .NET 4.6.1 | 240000 | 5,121.9 μs | 270.99 μs | 70.37 μs |
| ImportByStreamTest | Job-OVPAAE | .NET Core 2.2 | 240000 | 4,448.3 μs | 84.91 μs | 13.14 μs |
| ImportByStreamTest | Job-AMXXYD | .NET Core 3.1 | 240000 | 4,301.9 μs | 78.77 μs | 20.46 μs |
| ImportByStreamTest | Job-OPUXWE | .NET 4.6.1 | 500000 | 11,245.2 μs | 120.46 μs | 18.64 μs |
| ImportByStreamTest | Job-OVPAAE | .NET Core 2.2 | 500000 | 10,214.1 μs | 113.20 μs | 29.40 μs |
| ImportByStreamTest | Job-AMXXYD | .NET Core 3.1 | 500000 | 10,460.1 μs | 90.90 μs | 23.61 μs |
| ImportByStreamTest | Job-OPUXWE | .NET 4.6.1 | 1000000 | 21,807.0 μs | 299.03 μs | 46.28 μs |
| ImportByStreamTest | Job-OVPAAE | .NET Core 2.2 | 1000000 | 19,830.9 μs | 186.01 μs | 48.30 μs |
| ImportByStreamTest | Job-AMXXYD | .NET Core 3.1 | 1000000 | 20,051.3 μs | 395.98 μs | 102.83 μs |
Reference
https://github.com/dotnetcore/Magicodes.IE
原文作者：HueiFeng