public void CacheProblems()
{
VelocityContext context = new VelocityContext();
context.Put("AjaxHelper2", new AjaxHelper2());
context.Put("DictHelper", new DictHelper());
Template template = velocityEngine.GetTemplate(
GetFileName(null, "dicthelper", TemplateTest.TMPL_FILE_EXT));
StringWriter writer = new StringWriter();
template.Merge(context, writer);
System.Console.WriteLine(writer.GetStringBuilder().ToString());
writer = new StringWriter();
template.Merge(context, writer);
System.Console.WriteLine(writer.GetStringBuilder().ToString());
writer = new StringWriter();
template.Merge(context, writer);
System.Console.WriteLine(writer.GetStringBuilder().ToString());
}
/// <summary>
/// 写入文件
/// </summary>
/// <param name="writeFilePath">文件路径</param>
/// <param name="vmName">VM模板全名称</param>
/// <param name="model">需要实体</param>
/// <param name="isWrite">是否写入文件默认为写入</param>
/// <returns>写入的字符串</returns>
protected virtual string CreateFile(string writeFilePath, string vmName, object model, bool isWrite = true)
{
// 获取模板并且设置参数
Template template = VelocityEngine.GetTemplate(vmName);
VelocityContext context = new VelocityContext();
context.Put("people", "华威");
context.Put("model", model);
StringWriter writer = new StringWriter();
template.Merge(context, writer);
var result = writer.GetStringBuilder().ToString();
//2. 内容写入到指定文件
if (isWrite)
{
// 文件如果不存在
if (!File.Exists(writeFilePath))
{
File.WriteAllText(writeFilePath, result);
}
else if (APP.Configuration.IsCover) // 同意重写才会重写
{
File.WriteAllText(writeFilePath, result);
}
}
return(result);
}
/// <summary>
/// 显示模板
/// </summary>
/// <param name="templatFileName">模板文件名</param>
public void Display(string templatFileName)
{
//从文件中读取模板
Template template = new Template();
try
{
template = velocity.GetTemplate(templatFileName);
}
catch (Exception ex)
{
}
//合并模板
StringWriter writer = new StringWriter();
template.Merge(context, writer);
//输出
// HttpContext.Current.Response.Clear();
// HttpContext.Current.Response.ClearContent();
HttpContext.Current.Response.Write(writer.ToString());
if (JavaScript.Length > 0)
{
HttpContext.Current.Response.Write("<script" + ">" + JavaScript + "</" + "script>");
}
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.End();
}
protected override IView CreateView(ControllerContext controllerContext, string viewPath, string masterPath)
{
Template viewTemplate = _engine.GetTemplate(viewPath);
Template masterTemplate = _engine.GetTemplate(masterPath);
NVelocityView view = new NVelocityView(controllerContext, viewTemplate, masterTemplate);
return(view);
}
/// <summary>
/// 显示模板
/// </summary>
/// <param name="templatFileName">模板文件名</param>
public void Display(string templatFileName)
{
Template template = velocity.GetTemplate(templatFileName);
StringWriter writer = new StringWriter();
template.Merge(context, writer);
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.Write(writer.ToString());
HttpContext.Current.Response.End();
}
/// <summary>
/// 保存生成的文件
/// </summary>
/// <param name="inputFileName">模板名称</param>
/// <param name="outPutFilePath">生成文件完全限定名(包括路径)</param>
public void Save(string inputFileName, string outPutFilePath)
{
Template template = velocity.GetTemplate(inputFileName);
using (StreamWriter sw = new StreamWriter(outPutFilePath, false, Encoding.UTF8))
{
template.Merge(context, sw);
sw.Flush();
sw.Close();
}
}
/// <summary>
/// Returns <c>true</c> only if the
/// specified template exists and can be used
/// </summary>
/// <param name="templateName"></param>
/// <returns></returns>
public bool HasTemplate(String templateName)
{
try
{
vengine.GetTemplate(templateName);
return(true);
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// Display
/// </summary>
/// <param name="path">path</param>
public void Display(string path)
{
//加载模板
Template vm = ve.GetTemplate(path);
//写入
using (StringWriter sw = new StringWriter())
{
vm.Merge(vc, sw);
//输出
HttpContext.Current.Response.Write(sw.ToString());
}
}
public override void Process(IRailsEngineContext context, Controller controller, String viewName)
{
IContext ctx = CreateContext(context, controller);
AdjustContentType(context);
Template template = null;
bool hasLayout = controller.LayoutName != null;
TextWriter writer;
if (hasLayout)
{
writer = new StringWriter(); //Because we are rendering within a layout we need to catch it first
}
else
{
writer = context.Response.Output; //No layout so render direct to the output
}
String view = ResolveTemplateName(viewName);
try
{
template = velocity.GetTemplate(view);
PreSendView(controller, template);
template.Merge(ctx, writer);
PostSendView(controller, template);
}
catch (Exception)
{
if (hasLayout)
{
// Restore original writer
writer = context.Response.Output;
}
throw;
}
if (hasLayout)
{
String contents = (writer as StringWriter).GetStringBuilder().ToString();
ProcessLayout(contents, controller, ctx, context);
}
}
/// <summary>
/// Pendent.
/// </summary>
/// <param name="output">The output.</param>
/// <param name="context">The context.</param>
/// <param name="controller">The controller.</param>
/// <param name="controllerContext">The controller context.</param>
/// <param name="viewName">Name of the view.</param>
public override void Process(String viewName, TextWriter output, IEngineContext context,
IController controller, IControllerContext controllerContext)
{
var ctx = CreateContext(context, controller, controllerContext);
try
{
AdjustContentType(context);
var hasLayout = controllerContext.LayoutNames != null && controllerContext.LayoutNames.Length != 0;
TextWriter writer;
if (hasLayout)
{
// Because we are rendering within a layout we need to catch it first
writer = new StringWriter();
}
else
{
// No layout so render direct to the output
writer = output;
}
var view = ResolveTemplateName(viewName);
var template = velocity.GetTemplate(view);
PreSendView(controller, template);
BeforeMerge(velocity, template, ctx);
template.Merge(ctx, writer);
PostSendView(controller, template);
if (hasLayout)
{
ProcessLayoutRecursively((StringWriter)writer, context, controller, controllerContext, ctx, output);
}
}
catch (Exception ex)
{
if (Logger.IsErrorEnabled)
{
Logger.Error("Could not render view", ex);
}
throw;
}
}
/// <summary>
/// 显示模板
/// </summary>
/// <param name="httpcontext"></param>
/// <param name="templateFileName"></param>
public void Display(HttpContext httpcontext, string templateFileName)
{
//从文件中读取模板
Template template = velocity.GetTemplate(templateFileName);
//合并模板
StringWriter writer = new StringWriter();
template.Merge(context, writer);
//输出
httpcontext.Response.Clear();
httpcontext.Response.Write(writer.ToString());
httpcontext.Response.Flush();
httpcontext.ApplicationInstance.CompleteRequest();
}
/// <summary>
/// 显示模板
/// </summary>
/// <param name="tmplFileName">模板文件名</param>
public void Display(string tmplFileName)
{
//从文件中读取模板
Template template = velocity.GetTemplate(tmplFileName);
//合并模板
StringWriter writer = new StringWriter();
template.Merge(context, writer);
//输出
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.Write(writer.ToString());
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.End();
}
/// <summary>
/// 生成按主键查询SQL
/// </summary>
public void GenerateFetchStatement(List <Table> tables)
{
if (tables == null || tables.Count == 0)
{
throw new Exception("no job!");
}
var vltContext = new VelocityContext();
vltContext.Put("Tables", tables);
Template vltTemplate = vltEngine.GetTemplate("fetch.vm");
var vltWriter = new System.IO.StringWriter();
vltTemplate.Merge(vltContext, vltWriter);
File.WriteAllText(AppDomain.CurrentDomain.BaseDirectory + "_f_" + tables.First().DatabaseRealName.ToLower() + ".xml", vltWriter.GetStringBuilder().ToString());
}
/// <summary>
/// 初始化模板引擎
/// </summary>
public void Init()
{
try
{
VelocityEngine templateEngine = new VelocityEngine();
templateEngine.SetProperty(RuntimeConstants.RESOURCE_LOADER, "file");
templateEngine.SetProperty(RuntimeConstants.INPUT_ENCODING, "utf-8");
templateEngine.SetProperty(RuntimeConstants.OUTPUT_ENCODING, "utf-8");
//如果设置了FILE_RESOURCE_LOADER_PATH属性，那么模板文件的基础路径就是基于这个设置的目录，
//否则默认当前运行目录
templateEngine.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH,
UnityEngine.Application.dataPath);
templateEngine.Init();
template = templateEngine.GetTemplate(FilePathManager.Instance.GetTemplateFilePath());
}
catch (NVelocity.Exception.ResourceNotFoundException re)
{
string error = string.Format("Cannot find template " + "");
Console.WriteLine(error);
throw new Exception(error, re);
}
catch (NVelocity.Exception.ParseErrorException pee)
{
string error = string.Format("Syntax error in template " + "" + ":" + pee.StackTrace);
Console.WriteLine(error);
throw new Exception(error, pee);
}
}
public StringWriter CreateControlFile()
{
VelocityEngine velocity = new VelocityEngine();
ExtendedProperties props = new ExtendedProperties();
props.AddProperty(RuntimeConstants.RESOURCE_LOADER, "assembly");
props.AddProperty("assembly.resource.loader.class",
"NVelocity.Runtime.Resource.Loader.AssemblyResourceLoader, NVelocity");
props.AddProperty("assembly.resource.loader.assembly", GetType().Assembly.GetName().Name);
velocity.Init(props);
// todo how do i get template as stream. check hwb code.
// Set up the required velocity data types and parameters
Template controlTemplate = velocity.GetTemplate("CSIRO.Metaheuristics.UseCases.PEST.Resources.ControlFile.vm");
StringWriter writer = new StringWriter();
VelocityContext controlContext = new VelocityContext();
string val = this.RestartFile.ToString();
controlContext.Put("restartFile", this.RestartFile.ToString());
controlContext.Put("ControlData", this);
controlTemplate.Merge(controlContext, writer);
return(writer);
}
/// <summary>合并</summary>
/// <param name="context">上下文环境</param>
/// <param name="templatePath">模板相对路径</param>
/// <returns></returns>
public string Merge(VelocityContext context, string templatePath)
{
try
{
if (engine.TemplateExists(templatePath))
{
Template template = engine.GetTemplate(templatePath);
return(Merge(context, template));
}
else
{
return("Can't find \"" + templatePath + "\".");
}
}
catch
{
// 发生内部错误, 重启引擎.
instance = null;
engine = null;
return(string.Empty);
}
}
public MailMessage Parse(IMailTemplate template, object model)
{
var context = new VelocityContext();
var args = GetArgs(model);
if (!args.ContainsKey("helper"))
{
context.Put("helper", new TemplateHelper());
}
foreach (var arg in args)
{
context.Put(arg.Key, arg.Value);
}
var result = "";
using (var sw = new StringWriter()) {
var content = template.ToStringContent();
NVelocityDirectResourceLoader.CurrentEncoding = template.Encoding;
var tmp = engine.GetTemplate(content, template.Encoding.EncodingName);
tmp.Merge(context, sw);
result = sw.ToString();
}
return(XmlMailSerializer.Deserialize(result));
}
private void button1_Click(object sender, EventArgs e)
{
VelocityEngine velocityEngine = new VelocityEngine();
ExtendedProperties props = new ExtendedProperties();
props.AddProperty(RuntimeConstants.RESOURCE_LOADER, "file");
//props.AddProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, HttpContext.Current.Server.MapPath(templatDir);
props.AddProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, @"");
//props.AddProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, Path.GetDirectoryName(HttpContext.Current.Request.PhysicalPath));
props.AddProperty(RuntimeConstants.INPUT_ENCODING, "utf-8");
props.AddProperty(RuntimeConstants.OUTPUT_ENCODING, "utf-8");
//模板的缓存设置
props.AddProperty(RuntimeConstants.FILE_RESOURCE_LOADER_CACHE, true); //是否缓存
props.AddProperty("file.resource.loader.modificationCheckInterval", (Int64)30); //缓存时间(秒)
velocityEngine.Init(props);
//为模板变量赋值
VelocityContext context = new VelocityContext();
context.Put("Time", "20170613");
context.Put("Title", "模板生成");
context.Put("Body", "内容");
// Template template = velocityEngine.GetTemplate(@"D:\ProgrammingFolder\C#\NVelocityDemo\NVelocityDemo\bin\Debug\Template");
//从文件中读取模板
Template template = velocityEngine.GetTemplate(@"C:\Users\Macroinf—PC135\source\repos\CodeGen\CodeGen\bin\Debug\Value.vm");
//合并模板
using (StreamWriter writer = new StreamWriter(@"C:\Users\Macroinf—PC135\source\repos\CodeGen\CodeGen\bin\Debug\123.cs", false))
{
template.Merge(context, writer);
}
}
/// <summary>
/// 缓存模板对象
/// </summary>
/// <param name="folder"></param>
/// <param name="fileName"></param>
/// <returns></returns>
public NVelocity.Template GetTemplate(string templateFile)
{
CacheProvider cache = CacheProvider.GetCacheService();
templatePath = templatePath.Replace("\\", "").Replace(":", "").Replace("_", "");
// string xpath = String.Format("/Template/{0}/{1}", templatePath, templateFile);
string xpath = String.Format("/Template/{0}", templateFile);
NVelocity.Template template = (NVelocity.Template)cache.RetrieveObject(xpath);
if (template == null)
{
//VelocityEngine velocity = new VelocityEngine();
//ExtendedProperties props = new ExtendedProperties();
//props.AddProperty(RuntimeConstants.RESOURCE_LOADER, "file");
//props.AddProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, templatePath);
//props.AddProperty(RuntimeConstants.INPUT_ENCODING, "utf-8");
//props.AddProperty(RuntimeConstants.OUTPUT_ENCODING, "utf-8");
//velocity.Init(props);
template = velocity.GetTemplate(templateFile);
if (template == null)
{
throw new NullReferenceException("模板目录不存在。");
}
cache.AddObject(xpath, template, templateCacheTime);
}
return(template);
}
/// <summary> Returns a template, based on encoding and path.
/// *
/// </summary>
/// <param name="templateName"> name of the template
/// </param>
/// <param name="encoding"> template encoding
///
/// </param>
public virtual Template getTemplate(System.String templateName, System.String encoding)
{
Template template;
if (encoding == null || encoding.Length == 0 || encoding.Equals("8859-1") || encoding.Equals("8859_1"))
{
template = ve.GetTemplate(templateName)
;
}
else
{
template = ve.GetTemplate(templateName, encoding)
;
}
return(template);
}
public void Test()
{
var velocityEngine = new VelocityEngine();
ExtendedProperties extendedProperties = new ExtendedProperties();
extendedProperties.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, TemplateTest.FILE_RESOURCE_LOADER_PATH);
velocityEngine.Init(extendedProperties);
VelocityContext context = new VelocityContext();
context.Put("yada", "line");
Template template = velocityEngine.GetTemplate(
GetFileName(null, "nv37", TemplateTest.TMPL_FILE_EXT));
StringWriter writer = new StringWriter();
#pragma warning disable 612,618
velocityEngine.MergeTemplate("nv37.vm", context, writer);
#pragma warning restore 612,618
//template.Merge(context, writer);
Console.WriteLine(writer);
}
public string Merge(string templateString, IDictionary <string, object> parameters)
{
if (templateString == null)
{
throw new ArgumentNullException("templateString");
}
if (parameters == null)
{
throw new ArgumentNullException("parameters");
}
if (!parameters.ContainsKey("now"))
{
parameters.Add("now", DateTime.Now);
}
if (!parameters.ContainsKey("formatter"))
{
parameters.Add("formatter", new NVelocityTemplateEngineFormatter());
}
var template = _velocity.GetTemplate(templateString);
var context = new VelocityContext();
parameters.ToList()
.ForEach(item => context.Put(item.Key, item.Value));
using (var writer = new StringWriter())
{
template.Merge(context, writer);
return(writer.ToString());
}
}
protected void Page_Load(object sender, EventArgs e)
{
this.ltlUserName.Text = CookieUtilities.GetCookieValue("username");
using (var context = new MemberContext())
{
VelocityEngine ve = new VelocityEngine();
ve.SetProperty(RuntimeConstants.RESOURCE_LOADER, "file");
ve.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, Server.MapPath("~/html_template"));
ve.Init();
VelocityContext vContext = new VelocityContext();
var entities = context.RoleFunctions.Where(a => a.RoleId == RoleId && a.ParentID.EndsWith("_0")).Select(a => a).ToList();
List <Item> items = new List <Item>();
foreach (var entity in entities)
{
var item = new Item();
item.Name = entity.Name;
item.IconClass = entity.IconClass;
item.Url = entity.Url;
item.Items = context.RoleFunctions.Where(a => a.RoleId == RoleId && a.ParentID.StartsWith(entity.ParentID.Substring(0, 2))).Where(a => a.Name != entity.Name).Select(a => new Item
{
Name = a.Name,
Url = a.Url
}).ToList <Item>();
items.Add(item);
}
vContext.Put("items", items);
Template template = ve.GetTemplate("menu.html");
StringWriter writer = new StringWriter();
template.Merge(vContext, writer);
MenuString = writer.GetStringBuilder().ToString();
}
}
/// <summary>
/// 初始化模板引擎
/// </summary>
protected virtual void InitTemplateEngine()
{
try
{
//Velocity.Init(NVELOCITY_PROPERTY);
VelocityEngine templateEngine = new VelocityEngine();
templateEngine.SetProperty(RuntimeConstants.RESOURCE_LOADER, "file");
templateEngine.SetProperty(RuntimeConstants.INPUT_ENCODING, "utf-8");
templateEngine.SetProperty(RuntimeConstants.OUTPUT_ENCODING, "utf-8");
//如果设置了FILE_RESOURCE_LOADER_PATH属性，那么模板文件的基础路径就是基于这个设置的目录，否则默认当前运行目录
templateEngine.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, AppDomain.CurrentDomain.BaseDirectory);
templateEngine.Init();
template = templateEngine.GetTemplate(templateFile);
}
catch (ResourceNotFoundException re)
{
string error = string.Format("Cannot find template " + templateFile);
LogHelper.WriteLog(LogLevel.LOG_LEVEL_CRIT, re, typeof(NVelocityHelper));
throw new Exception(error, re);
}
catch (ParseErrorException pee)
{
string error = string.Format("Syntax error in template " + templateFile + ":" + pee.StackTrace);
LogHelper.WriteLog(LogLevel.LOG_LEVEL_CRIT, pee, typeof(NVelocityHelper));
throw new Exception(error, pee);
}
}
public void LineComponent1()
{
VelocityContext context = new VelocityContext();
Template template = velocityEngine.GetTemplate(
GetFileName(null, "componentusage1", TemplateTest.TMPL_FILE_EXT));
StringWriter writer = new StringWriter();
template.Merge(context, writer);
System.Console.WriteLine(writer.GetStringBuilder().ToString());
writer = new StringWriter();
template.Merge(context, writer);
System.Console.WriteLine(writer.GetStringBuilder().ToString());
writer = new StringWriter();
template.Merge(context, writer);
System.Console.WriteLine(writer.GetStringBuilder().ToString());
}
public void Apply(IEnumerable <ChangeScript> changeScripts)
{
string filename = string.Format(CultureInfo.InvariantCulture, "{0}_{1}.vm", this.syntax, this.GetTemplateQualifier());
var model = new Hashtable();
model.Add("scripts", changeScripts);
model.Add("changeLogTableName", this.changeLogTableName);
model.Add("delimiter", this.delimiter);
model.Add("separator", this.delimiterType is RowDelimiter ? Environment.NewLine : string.Empty);
try
{
ExtendedProperties props = new ExtendedProperties();
var assemblyName = this.GetType().Assembly.GetName().Name;
ReplaceManagersWithDbDeployVersions(props, assemblyName);
if (this.templateDirectory == null)
{
props.AddProperty("resource.loader", "assembly");
props.AddProperty("assembly.resource.loader.class",
// See the ; there? It will be replaced by , in the resource loader factory
// this is because if we add a property with a comma in the value, it will add *two* values to the property.
// oh joy.
typeof(DbDeployAssemblyResourceLoader).FullName + "; " + assemblyName);
props.AddProperty("assembly.resource.loader.assembly", assemblyName);
filename = "Net.Sf.Dbdeploy.Resources." + filename;
}
else
{
props.SetProperty("file.resource.loader.path", this.templateDirectory.FullName);
}
var templateEngine = new VelocityEngine(props);
var context = new VelocityContext(model);
Template template = templateEngine.GetTemplate(filename);
template.Merge(context, this.writer);
}
catch (ResourceNotFoundException ex)
{
string locationMessage;
if (templateDirectory == null)
{
locationMessage = "";
}
else
{
locationMessage = " at " + templateDirectory.FullName;
}
throw new UsageException(
"Could not find template named " + filename + locationMessage + Environment.NewLine
+ "Check that you have got the name of the database syntax correct.",
ex);
}
}
/// <summary>
/// 通过模板文件 生成文件
/// </summary>
/// <param name="templatePath"></param>
/// <param name="templateFileName"></param>
/// <param name="outFilePath"></param>
/// <param name="dictKv"></param>
public static void WriteTemplateByFile(string templatePath, string templateFileName, string outFilePath, Dictionary <string, object> dictKv)
{
// 初始化模板引擎
VelocityEngine ve = new VelocityEngine();
//可选值："class"--从classpath中读取，"file"--从文件系统中读取
ve.SetProperty(RuntimeConstants.RESOURCE_LOADER, "file");
//如果从文件系统中读取模板，那么属性值为org.apache.velocity.runtime.resource.loader.FileResourceLoader
ve.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, @templatePath);
ve.Init();
//模板内容
VelocityContext vlc = new VelocityContext();
foreach (string key in dictKv.Keys)
{
vlc.Put(key, dictKv[key]);
}
/*
*指定引擎加载的模版
*/
Template vtp = ve.GetTemplate(@templateFileName);
StringWriter str = new StringWriter();
vtp.Merge(vlc, str);
File.WriteAllText(@outFilePath, str.GetStringBuilder().ToString());//生成文件的路径可以自由选择
MessageBox.Show(str.GetStringBuilder().ToString());
}
/// <summary>
/// 用data数据填充templateName模板，渲染生成html返回
/// </summary>
/// <param name="templateName"></param>
/// <param name="data"></param>
/// <returns></returns>
public static string RenderHtml(string templateName, object data)
{
//第一步：Creating a VelocityEngine也就是创建一个VelocityEngine的实例
VelocityEngine vltEngine = new VelocityEngine(); //也可以使用带参构造函数直接实例
vltEngine.SetProperty(RuntimeConstants.RESOURCE_LOADER, "file");
vltEngine.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, System.Web.Hosting.HostingEnvironment.MapPath("~/templates"));//模板文件所在的文件夹
vltEngine.Init();
//vltEngine.AddProperty(RuntimeConstants.INPUT_ENCODING, "gb2312");
//vltEngine.AddProperty(RuntimeConstants.OUTPUT_ENCODING, "gb2312");
//第二步：Creating the Template加载模板文件
//这时通过的是Template类，并使用VelocityEngine的GetTemplate方法加载模板
Template vltTemplate = vltEngine.GetTemplate(templateName);
//第三步：Merging the template整合模板
VelocityContext vltContext = new VelocityContext();
vltContext.Put("Data", data);//设置参数，在模板中可以通过$data来引用
//第四步：创建一个IO流来输出模板内容推荐使用StringWriter(因为template中以string形式存放)
System.IO.StringWriter vltWriter = new System.IO.StringWriter();
vltTemplate.Merge(vltContext, vltWriter);
string html = vltWriter.GetStringBuilder().ToString();
return(html);
}
public bool Run(TemplateData templateData)
{
VelocityContext context = new VelocityContext();
context.Put("tdo", templateData);
try
{
string loaderPath = Path.GetDirectoryName(templateData.TemplateFileName);
string templateFile = Path.GetFileName(templateData.TemplateFileName);
velocityEngine.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, loaderPath);
velocityEngine.Init();
Template template = velocityEngine.GetTemplate(templateFile);
using (StreamWriter StreamWriter = new StreamWriter(templateData.CodeFileName,
false, Encoding.GetEncoding(templateData.Encoding)))
{
template.Merge(context, StreamWriter);
}
return(true);
}
catch (Exception ex)
{
logger.Error(String.Format("NVelocityAdapter:{0}", templateData.CodeFileName), ex);
return(false);
}
}
public static Template GetTemplate(string tempPath)
{
//第一步：Creating a VelocityEngine也就是创建一个VelocityEngine的实例
VelocityEngine vltEngine = new VelocityEngine();
ExtendedProperties vltProps = new ExtendedProperties();
vltProps.AddProperty(RuntimeConstants.INPUT_ENCODING, "utf-8");
vltProps.AddProperty(RuntimeConstants.OUTPUT_ENCODING, "utf-8");
vltEngine.Init(vltProps);
//第二步：Creating the Template加载模板文件
Template vltTemplate = new Template();
try
{
vltTemplate = vltEngine.GetTemplate(tempPath);
}
catch (Exception e)
{
Debug.Log(e.Message);
return(null);
}
return(vltTemplate);
}
public void Test()
{
var velocityEngine = new VelocityEngine();
ExtendedProperties extendedProperties = new ExtendedProperties();
extendedProperties.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, TemplateTest.FILE_RESOURCE_LOADER_PATH);
velocityEngine.Init(extendedProperties);
VelocityContext context = new VelocityContext();
context.Put("yada", "line");
Template template = velocityEngine.GetTemplate(
GetFileName(null, "nv37", TemplateTest.TMPL_FILE_EXT));
StringWriter writer = new StringWriter();
#pragma warning disable 612,618
velocityEngine.MergeTemplate("nv37.vm", context, writer);
#pragma warning restore 612,618
//template.Merge(context, writer);
Console.WriteLine(writer);
}
/// <summary>
/// Render nVelocity template to HTML
/// </summary>
/// <param name="output">Output text writer</param>
public override void Render(TextWriter output)
{
// .Replace(',', ';') нужен за внутренними надобнастями NVelocity
// Внутри библиотеки символы меняются обратно.
// Проблема связана с форматом представления массивов векторов и строк.
String loader_class_name = typeof(CustomResourceLoader).AssemblyQualifiedName.Replace(',', ';');
VelocityEngine velocity = new VelocityEngine();
velocity.AddProperty(RuntimeConstants.RESOURCE_LOADER, "webcore");
velocity.AddProperty("webcore.resource.loader.class", loader_class_name);
velocity.AddProperty("webcore.resource.loader.domain", DomainName);
velocity.Init();
Template tpl = velocity.GetTemplate(ViewName);
tpl.Merge(this.items, output);
}
public void Test()
{
var velocityEngine = new VelocityEngine();
ExtendedProperties extendedProperties = new ExtendedProperties();
extendedProperties.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, TemplateTest.FILE_RESOURCE_LOADER_PATH);
velocityEngine.Init(extendedProperties);
VelocityContext context = new VelocityContext();
Template template = velocityEngine.GetTemplate(
GetFileName(null, "nv09", TemplateTest.TMPL_FILE_EXT));
StringWriter writer = new StringWriter();
template.Merge(context, writer);
}
public void Test_Example1()
{
String templateFile = "example1.vm";
try
{
/*
* setup
*/
VelocityEngine velocityEngine = new VelocityEngine();
ExtendedProperties extendedProperties = new ExtendedProperties();
extendedProperties.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, TemplateTest.FILE_RESOURCE_LOADER_PATH);
velocityEngine.Init(extendedProperties);
/*
* Make a context object and populate with the data. This
* is where the Velocity engine gets the data to resolve the
* references (ex. $list) in the template
*/
VelocityContext context = new VelocityContext();
context.Put("list", GetNames());
ExtendedProperties props = new ExtendedProperties();
props.Add("runtime.log", "nvelocity.log");
context.Put("props", props);
/*
* get the Template object. This is the parsed version of your
* template input file. Note that getTemplate() can throw
* ResourceNotFoundException : if it doesn't find the template
* ParseErrorException : if there is something wrong with the VTL
* Exception : if something else goes wrong (this is generally
* indicative of as serious problem...)
*/
Template template = null;
try
{
template = velocityEngine.GetTemplate(templateFile);
}
catch(ResourceNotFoundException resourceNotFoundException)
{
Console.Out.WriteLine("Example : error : cannot find template {0} : \n{1}", templateFile,
resourceNotFoundException.Message);
Assert.Fail();
}
catch(ParseErrorException parseErrorException)
{
Console.Out.WriteLine("Example : Syntax error in template {0} : \n{1}", templateFile, parseErrorException);
Assert.Fail();
}
/*
* Now have the template engine process your template using the
* data placed into the context. Think of it as a 'merge'
* of the template and the data to produce the output stream.
*/
// using Console.Out will send it to the screen
TextWriter writer = new StringWriter();
if (template != null)
template.Merge(context, writer);
/*
* flush and cleanup
*/
writer.Flush();
writer.Close();
}
catch(Exception ex)
{
Assert.Fail(ex.Message);
}
}
