Adobe Dreamweaver API Reference CS5 Uživatelský manuál stáhnout pdf (Strana 16)

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101

DREAMWEAVER API REFERENCE

The file I/O API

Last updated 8/27/2013

Arguments

fileURL

• The fileURL argument, which is expressed as a file:// URL, is the file you want to read.

Returns

A string that contains the contents of the file or a null value if the read fails.

Example

The following code reads the mydata.txt file and, if it is successful, displays an alert message with the contents of the file:

var fileURL = "file:///c|/temp/mydata.txt";

var str = DWfile.read(fileURL);

if (str){

alert(fileURL + " contains: " + str);

}

DWfile.remove()

Availability

Dreamweaver 3.

Description

This function deletes the specified file.

Arguments

fileURL

• The fileURL argument, which is expressed as a file:// URL, is the file you want to remove.

Returns

A Boolean value: true value if the operation succeeds; false otherwise.

Example

The following example uses the DWfile.getAttributes() function to determine whether the file is read-only and

the

confirm() function to display a Yes/No dialog box to the user:

function deleteFile(){

var delAnyway = false;

var selIndex = document.theForm.menu.selectedIndex;

var selFile = document.theForm.menu.options[selIndex].value;

if (DWfile.getAttributes(selFile).indexOf('R') != -1){

delAnyway = confirm('This file is read-only. Delete anyway?');

if (delAnyway){

DWfile.remove(selFile);

}

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