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本篇文章給大家分享的是有關(guān)NVelocity中怎么實現(xiàn)代碼生成功能,小編覺得挺實用的,因此分享給大家學(xué)習,希望大家閱讀完這篇文章后可以有所收獲,話不多說,跟著小編一起來看看吧。
vltEngine = new VelocityEngine(); vltEngine.SetProperty(RuntimeConstants.RESOURCE_LOADER, "file"); vltEngine.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, CloudUtil.GetContentPath() + "/" + "Template"); vltEngine.Init();
VelocityContext vltContext = new VelocityContext();foreach (var item in RenderDataDic) { vltContext.Put(item.Key, item.Value); } Template vltTemplate = vltEngine.GetTemplate(TemplateFileName); System.IO.StringWriter vltWriter = new System.IO.StringWriter(); vltTemplate.Merge(vltContext, vltWriter);string CodeContent = vltWriter.GetStringBuilder().ToString();
using FastORM.Attribute;using FastORM.Entity;using System;using System.Collections.Generic;using System.Text;namespace ${NameSpace}.Entity { [Table(Name = "${TablePhysicalNameLowCase}")]public class ${TablePhysicalName} : BaseEntity { [Key]public string RowGuid { set; get; } #foreach( $Column in $ColumnList)#if (($Column.ColumnType == 10 || $Column.ColumnType == 50) && $Column.PhysicalColumnName!="RowGuid")public string $Column.PhysicalColumnName { set; get; } #end#if ($Column.ColumnType == 20 && $Column.PhysicalColumnName!="RowGuid")public int $Column.PhysicalColumnName { set; get; } #end#if ($Column.ColumnType == 30 && $Column.PhysicalColumnName!="RowGuid")public decimal $Column.PhysicalColumnName { set; get; } #end#if ($Column.ColumnType == 40 && $Column.PhysicalColumnName!="RowGuid")public DateTime? $Column.PhysicalColumnName { set; get; } #end #end } }
使用${xxx}占位替換具體字符串內(nèi)容
使用 #foreach( $Itemin $ItemList) #end 來進行循環(huán)渲染
使用 #if #end 來進行分支判斷渲染
public class TemplateUtil {private static VelocityEngine vltEngine;public static string CodeTempPath;private static void InitTemplateSetting() { CodeTempPath = AppConfigUtil.Configuration["Frame:GenerateCodeTemplatePath"]; DirectoryInfo CodePath = new DirectoryInfo(CloudUtil.GetContentStaticFilePath() + CodeTempPath);if (!CodePath.Exists) { CodePath.Create(); } vltEngine = new VelocityEngine(); vltEngine.SetProperty(RuntimeConstants.RESOURCE_LOADER, "file"); vltEngine.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, CloudUtil.GetContentPath() + "/" + "Template"); vltEngine.Init(); }public static string GeneratemeplateFile(string FileID, string TableName, string TemplateFileName, string CodeFileName, Dictionary<string, object> RenderDataDic) { InitTemplateSetting(); DirectoryInfo CodePath = new DirectoryInfo(CloudUtil.GetContentStaticFilePath() + CodeTempPath + "/" + FileID);if (!CodePath.Exists) { CodePath.Create(); } CodePath = new DirectoryInfo(CloudUtil.GetContentStaticFilePath() + CodeTempPath + "/" + FileID + "/" + TableName);if (!CodePath.Exists) { CodePath.Create(); } VelocityContext vltContext = new VelocityContext();foreach (var item in RenderDataDic) { vltContext.Put(item.Key, item.Value); } Template vltTemplate = vltEngine.GetTemplate(TemplateFileName); System.IO.StringWriter vltWriter = new System.IO.StringWriter(); vltTemplate.Merge(vltContext, vltWriter);string CodeContent = vltWriter.GetStringBuilder().ToString();string CodeFilePath = CloudUtil.GetContentStaticFilePath() + CodeTempPath + "/" + FileID + "/" + TableName + "/" + CodeFileName;//保存生成后的代碼內(nèi)容到文件 FileUtil.SaveStringToFile(CodeFilePath, CodeContent);return CodeFilePath; }public static string GenerateTemplateContent(string TemplateFileName, Dictionary<string, object> RenderDataDic) { InitTemplateSetting(); VelocityContext vltContext = new VelocityContext();foreach (var item in RenderDataDic) { vltContext.Put(item.Key, item.Value); } Template vltTemplate = vltEngine.GetTemplate(TemplateFileName); System.IO.StringWriter vltWriter = new System.IO.StringWriter(); vltTemplate.Merge(vltContext, vltWriter);string CodeContent = vltWriter.GetStringBuilder().ToString();return CodeContent; } }
以上就是NVelocity中怎么實現(xiàn)代碼生成功能,小編相信有部分知識點可能是我們?nèi)粘9ぷ鲿姷交蛴玫降摹OM隳芡ㄟ^這篇文章學(xué)到更多知識。更多詳情敬請關(guān)注億速云行業(yè)資訊頻道。
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