WeChat Mini Program: File Management API Description

wx.saveFile(OBJECT)

Save the file locally.
OBJECT parameter description:
[tr]Parameter type required description[/tr]

##failFunctionNoCallback function for failed interface callcompleteFunctionNoEnd of interface call The callback function (executed successfully or failed)

tempFilePath	String	is the temporary path of the file that	needs to be saved
success	Function	No	Return the save path of the file, res = {savedFilePath: 'Save path of the file'}

Sample code:

wx.startRecord({
    success: function(res) {
        var tempFilePath = res.tempFilePath wx.saveFile({
            tempFilePath: tempFilePath,
            success: function(res) {
                var savedFilePath = res.savedFilePath
            }
        })
    }
}) wx.getSavedFileList(OBJECT)

Get the local saved file list
OBJECT parameter description:[tr]Parameter type required description[/tr]

successFunctionNoThe interface calls the successful callback function. For the return result, see success return parameter descriptionfailFunctionNoCallback function that fails to call the interfacecomplete FunctionNoThe callback function at the end of the interface call (will be executed if the call is successful or failed)

success Return parameter description: [tr]Parameter type description[/tr]

##errMsgfileList

String	Interface call result
Object Array	File list

Item description in fileList:

[tr]Key type description[/tr]

filePathcreateTimesize

String	Local path of the file
Number	The timestamp when the file was saved, from 1970/01/01 08:00 :00 The number of seconds to the current time
Number	File size, unit B

Sample code:

wx.getSavedFileList({
    success: function(res) {
        console.log(res.fileList)
    }
}) wx.getSavedFileInfo(OBJECT)

Copy code

Get file information of local files
OBJECT parameter description:
[tr]Required description of parameter type[/tr]

filePathsuccessfailcomplete

String	Yes	File path
Function	No	The callback function is called successfully by the interface. For the return result, see success return parameter description
Function	No	Interface call failed The callback function
Function	No	The callback function at the end of the interface call (will be executed if the call is successful or failed)

success Return parameter description:

[tr]Parameter type description[/tr]

errMsgsizecreateTime

String	Interface call result
Number	File size, Unit B
Number	The file is saved with a timestamp, from 1970/01/01 08:00:00 to the current time Seconds

Sample code:

wx.getSavedFileInfo({
    filePath: 'wxfile://somefile',
    //仅做示例用，非真正的文件路径 
    success: function(res) {
        console.log(res.size) console.log(res.createTime)
    }
}) wx.removeSavedFile(OBJECT)

##Delete locally stored files

OBJECT parameter description:
[tr]Parameter type required description[/tr]

filePathString is the path of the file that needs to be deletedsuccessFunctionNoCallback function for successful interface callfailFunctionNoCallback function for failed interface callcompleteFunctionNoThe callback function at the end of the interface call (will be executed if the call is successful or failed)

示例代码：

wx.getSavedFileList({
    success: function(res) {
        if (res.fileList.length > 0) {
            wx.removeSavedFile({
                filePath: res.fileList[0].filePath,
                complete: function(res) {
                    console.log(res)
                }
            })
        }
    }
}) wx.openDocument(OBJECT)

新开页面打开文档，支持格式：doc, xls, ppt, pdf, docx, xlsx, pptx
OBJECT参数说明：
[tr]参数说明必填说明[/tr]

filePath	String	是	文件路径，可通过 downFile 获得
success	Function	否	接口调用成功的回调函数
fail	Function	否	接口调用失败的回调函数
complete	Function	否	接口调用结束的回调函数（调用成功、失败都会执行）

示例代码

wx.downloadFile({
  url: 'http://example.com/somefile.pdf',
  success: function (res) {
    var filePath = res.tempFilePath 
    wx.openDocument({
      filePath: filePath,
      success: function (res) {
        console.log('打开文档成功')
      }
    })
  }
})

更多微信小程序：文件管理 API说明相关文章请关注PHP中文网！