RazorEngine.Templating MVC中View当模板
最近在做一个生成JSON的功能，比较笨的办法就是把需要的数据拆分开，保存到数据库，在从数据库中取出来进行拼接。这种方法比较笨，代码就不贴了。
需要注意拼接的时的转义字符：
"\"smallChapter\"" + ":" +"\""
后来想用T4模板生成，但是有个把数据当参数传递的过程，没有克服。把没有克服的代码贴出来，有大神知道的话，可以帮忙解决。(host报错)
public class Testt4
{
public class CustomTextTemplatingEngineHost : ITextTemplatingEngineHost, ITextTemplatingSessionHost
{
internal string TemplateFileValue;
public string TemplateFile
{
get { return TemplateFileValue; }
}
private string fileExtensionValue = ".txt";
public string FileExtension
{
get { return fileExtensionValue; }
}
private Encoding fileEncodingValue = Encoding.UTF8;
public Encoding FileEncoding
{
get { return fileEncodingValue; }
}
private CompilerErrorCollection errorsValue;
public CompilerErrorCollection Errors
{
get { return errorsValue; }
}
public IList<string> StandardAssemblyReferences
{
get
{
return new string[]
{
typeof(System.Uri).Assembly.Location
};
}
}
public IList<string> StandardImports
{
get
{
return new string[]
{
"System"
};
}
}
public bool LoadIncludeText(string requestFileName, out string content, out string location)
{
content = System.String.Empty;
location = System.String.Empty;
if (File.Exists(requestFileName))
{
content = File.ReadAllText(requestFileName);
return true;
}
else
{
return false;
}
}
public object GetHostOption(string optionName)
{
object returnObject;
switch (optionName)
{
case "CacheAssemblies":
returnObject = true;
break;
default:
returnObject = null;
break;
}
return returnObject;
}
public string ResolveAssemblyReference(string assemblyReference)
{
if (File.Exists(assemblyReference))
{
return assemblyReference;
}
string candidate = Path.Combine(Path.GetDirectoryName(this.TemplateFile), assemblyReference);
if (File.Exists(candidate))
{
return candidate;
}
return "";
}
public Type ResolveDirectiveProcessor(string processorName)
{
if (string.Compare(processorName, "XYZ", StringComparison.OrdinalIgnoreCase) == 0)
{
//return typeof();
}
throw new Exception("Directive Processor not found");
}
public string ResolvePath(string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("the file name cannot be null");
}
if (File.Exists(fileName))
{
return fileName;
}
string candidate = Path.Combine(Path.GetDirectoryName(this.TemplateFile), fileName);
if (File.Exists(candidate))
{
return candidate;
}
return fileName;
}
public string ResolveParameterValue(string directiveId, string processorName, string parameterName)
{
if (directiveId == null)
{
throw new ArgumentNullException("the directiveId cannot be null");
}
if (processorName == null)
{
throw new ArgumentNullException("the processorName cannot be null");
}
if (parameterName == null)
{
throw new ArgumentNullException("the parameterName cannot be null");
}
return String.Empty;
}
public void SetFileExtension(string extension)
{
fileExtensionValue = extension;
}
public void SetOutputEncoding(System.Text.Encoding encoding, bool fromOutputDirective)
{
fileEncodingValue = encoding;
}
public void LogErrors(CompilerErrorCollection errors)
{
errorsValue = errors;
}
//public AppDomain ProvideTemplatingAppDomain(string content)
//{
// return AppDomain.CreateDomain("Generation App Domain");
//}
public ITextTemplatingSession CreateSession()
{
return Session;
}
public ITextTemplatingSession Session
{
get;
set;
}
//https://blog.csdn.net/danielchan2518/article/details/51019083
public AppDomain ProvideTemplatingAppDomain(string content)
{
//Assembly myAssembly = Assembly.GetAssembly(this.GetType());
//string assemblePath = myAssembly.Location.Substring(0, myAssembly.Location.LastIndexOf("\\"));
//AppDomainSetup ads = new AppDomainSetup()
//{
// ApplicationName = "Generation App Domain",
// ApplicationBase = assemblePath,
// DisallowBindingRedirects = false,
// DisallowCodeDownload = true,
// ConfigurationFile = AppDomain.CurrentDomain.SetupInformation.ConfigurationFile
//};
//AppDomain domain = AppDomain.CreateDomain("Generation App Domain", null, ads);
//return domain;
return AppDomain.CurrentDomain;
}
}
public static void TestT4()
{
CustomTextTemplatingEngineHost host = new CustomTextTemplatingEngineHost();
string filePath = @"E:\editsoft\t4.txt";
host.TemplateFileValue = filePath;
string input = File.ReadAllText(filePath);
// string input = @"
//<#@template debug=""false"" hostspecific=""false"" language=""C#""#>
//<#@ output extension="".txt"" encoding=""utf-8"" #>
//<#@ parameter type=""Demo_T4.People"" name=""hzx"" #>
//Name:<#= hzx.Name #> Age:<#= hzx.Age #> Sex:<#= hzx.Sex #>
// ";
host.Session = new TextTemplatingSession();
host.Session.Add("hzx", new People("韩兆新", 24, "男"));
string output = new Engine().ProcessTemplate(input, host);
Console.WriteLine(output);
StringBuilder errorWarn = new StringBuilder();
foreach (CompilerError error in host.Errors)
{
errorWarn.Append(error.Line).Append(":").AppendLine(error.ErrorText);
}
Console.WriteLine( errorWarn.ToString());
}
}
[Serializable]
public class People
{
public People(string name, uint age, string sex)
{
this.Name = name;
this.Age = age;
this.Sex = sex;
}
public string Name
{ set; get; }
public uint Age
{ set; get; }
public string Sex
{ set; get; }
}
最后想到了MVC 的视图Rezor，当模板具体代码如下：
在控制器中写方法：通过写一个Ajax跳入这个方法
public ActionResult GetDataJson()
｛
string url = Request.Url.ToString(); //获取参数
string bid = Request.QueryString[""];
string cid = Request.QueryString[""];
//获取数据定义成集合
ArrayList arry = GenerateJsonData();
ArrayList arrTitle = GetTile();
ArrayList arrlanmu = GetLanMuContent();
var config = new TemplateServiceConfiguration();
GetData(arry, arrTitle, arrlanmu, config);
｝
GetData方法：
private void GetData(ArrayList arry, ArrayList arrTitle, ArrayList arrlanmu, TemplateServiceConfiguration config)
{
using (var service = RazorEngine.Templating.RazorEngineService.Create(config))
{
var model = new { arrTitle, arry, arrlanmu };
//获取视图的路径
string templateFile = Server.MapPath("~/Views/ResolveTemplateJson/PhysicsJson.cshtml");
//打开文件的内容
string templateContent = System.IO.File.ReadAllText(templateFile, System.Text.Encoding.UTF8);
//返回视图中的结果
string results = service.RunCompile(templateContent, string.Empty, null, model);
//把结构中的特殊字符进行处理
results = results.Replace("<", "<").Replace(">", ">")
.Replace("&", "&").Replace("'", "'").Replace(""", "\"");
string filePath = GetFilePath();
GetWriteValue(results, filePath);
//写入txt中
// string outputTextFile = @"d:\temp.txt";
// System.IO.File.WriteAllText(outputTextFile, results);
}
}
GetFilePath
private string GetFilePath()
{
string filePath = "";
if (Session["chapterNum"] != null)
{
int zhang = Convert.ToInt32(Session["chapterNum"]);
int jie = Convert.ToInt32(Session["sectionNum"]);
int xiaojie = Convert.ToInt32(Session["smallSectionNum"]);
string jcName = Session["jcName"].ToString();
string xkName = Session["xkName"].ToString();
string NjName = Session["NjName"].ToString();
string gradeTerm = Session["gradeTerm"].ToString();
string webConfigFilePath = ConfigurationManager.AppSettings["FilePathConnectionString"].ToString();
filePath = string.Format(webConfigFilePath + "{0}{1}{2}{3}/{4:00}/{5:00}{6:00}/",
NjName, xkName, jcName, gradeTerm, zhang, jie, xiaojie);
}
return filePath;
}
GetWriteValue()
private void GetWriteValue(string results, string filePath)
{
string webMapFilePath = ConfigurationManager.AppSettings["FilePath"].ToString();
string Path = Server.MapPath(webMapFilePath + filePath);
if (!Directory.Exists(Path))
{
Directory.CreateDirectory(Path);
}
string FileName = "bookData";
if (!System.IO.File.Exists(Path + FileName + ".js"))
{
FileStream fsCreate = new FileStream(Path + FileName + ".js", FileMode.Create, FileAccess.Write);//创建写入文件
StreamWriter sw = new StreamWriter(fsCreate);
sw.WriteLine(results);//开始写入值
sw.Close();
fsCreate.Close();
}
else
{
FileStream fsCreate = new FileStream(Path + FileName + ".js", FileMode.Create, FileAccess.Write);//创建写入文件
StreamWriter sw = new StreamWriter(fsCreate);
sw.WriteLine(results);//开始写入值
sw.Close();
fsCreate.Close();
}
}
跳转视图的Ajax：
function ResolveTemplateJson() {
var url = "/ResolveTemplateJson/GetDataJson/?csid=@ViewData[""]&bid=@ViewData[""]";
$.ajax({
url: url,
type: "POST",
success: function (data) {
if (data == "ok") {
alert("保存成功！！");
window.location.href = "/UEditor/Index/?csid=@ViewData[""]&bid=@ViewData[""]";
} else if (data == "error") {
alert("保存失败");
}
}
});
}
视图的代码：
@for (int i = 0; i < Model.arrTitle.Count; i++)
{
if (Model.arrTitle[i].titles != null)
{
@:{
@:"smallChapter": "@Model.arrTitle[i].titles",
@:"isActive":false,
@://当前用户选择的小节
@:"ifstudy":false
@:},
}
}
],
//全解版的内容
"content": [
//第一小节的内容 一小结有n个知识点 知识点里面包含小知识点
@for (int j = 0; j < Model.arrlanmu.Count; j++)
{
@:{
@:"id":"@Model.arrlanmu[j].id",
@:"knowledge":"@Model.arrlanmu[j].knowledge",
@:"process":
@:"Introduction":"@Model.arrlanmu[j].Introduction",
for (int m = 0; m < Model.arry.Count; m++)
{
if (@Model.arrlanmu[j].id == @Model.arry[m].id)
{
@:smallKnowledge:[{
@:"id":"@Model.arry[m].smallID",
@:"fullVersion":[
@:"type":"textIntroduction",
@:"smalltitle":"@Model.arry[m].smallTitle",
@:"content":"@Model.arry[m].smallContent",
@:},
@Model.arry[m].smallSubjectJson
@:],
@:}
@:]
}
}
@:}
}
引入的命名空间：
using RazorEngine.Configuration; using RazorEngine.Templating;
Negut安装：
