ASP.NET如何动态生成JS文件,如何读写该JS文件

2025-02-12 01:47:15
推荐回答(1个)
回答1:

获得页面所有的控件
根据控件的类型,去脚本配置文件匹配对应的脚本文件名,然后输出脚本文件
如果这个脚本文件已经生成那么则不必重复生成

配置文件类似























最后能够自动在页面中生成类似











---------------------------------------------------------------

void GetScriptFile(Control c)
{
OutputScriptFile(c);
foreach(Control cc in c.Controls)
GetScriptFile(cc);
}

void OutputScriptFile(Control c)
{
//if (c is Label)
{
string sTypeName = c.GetType().Name;
if (!Page.IsClientScriptBlockRegistered(sTypeName))
{
Page.RegisterClientScriptBlock(sTypeName, String.Format("", sTypeName));
}
}
....
}

GetScriptFile(Page);

or use Page.RegisterClientScriptBlock method or Page.RegisterStartupScript method, make sure you use

1. give different script different key

2. use Page.IsClientScriptBlockRegistered(ScriptKey) or Page.IsStartupScriptRegistered(ScriptKey) to check

is your aspx derived from deriving from CreateClientScriptBlock??

if not, either pass Page object to your static method or use the HttpContext.Current.Handler, for example

namespace ProlinkClass
{
///


/// CreateClientScriptBlock 的摘要说明。
///

public class CreateClientScriptBlock
{
private Page _page;

public CreateClientScriptBlock(Page p)
{
_page = p;
}

public CreateClientScriptBlock()
{
_page = (Page)System.Web.HttpContext.Current.Handler;
}

public void OutputScripts() { GetScriptFile(_page); }

prviate void GetScriptFile(Control c){
OutputScriptFile(c);
foreach(Control cc in c.Controls){
if (cc.ID != null){
GetScriptFile(cc);
}
}
}

private void OutputScriptFile(Control c){
string sTypeName = c.GetType().Name;
string sFileName = "";
if (sTypeName.Equals("Label"))
sFileName = "Label.js";
else if (sTypeName.Equals("TextBox"))
sFileName = "Input.js";

string sScript = "";
if (!_page.IsClientScriptBlockRegistered(sTypeName)){
_page.RegisterClientScriptBlock(sTypeName,sScript);
}
}

}
}

then do in your aspx code behind:

new ProlinkClass.CreateClientScriptBlock(Page).OutputScripts();

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