May 18, 2021 WeChat Mini Program Development Document
The base library 2.5.0 starts to support, and the lower version needs to be compatible.
Select the file from the client session.
| Property | Type | The default | Required | Description | The lowest version |
|---|---|---|---|---|---|
| count | number | Is | You can select up to 0 to 100 files | ||
| type | string | 'all' | Whether | The type of file selected | |
| extension | Array.<string> | Whether | Filtered according to the file's expansion name, only type-file is valid. E ach item cannot be an empty string. It is not filtered by default. | 2.6.0 | |
| success | function | Whether | The interface calls a successful callback function | ||
| fail | function | Whether | The interface calls the failed callback function | ||
| complete | function | Whether | Callback function at end of interface call (call succeeds, fails are executed) |
The legal value of object.type
| Value | Description | The lowest version |
|---|---|---|
| all | Select from all files | |
| video | Only video files can be selected | |
| image | Only picture files can be selected | |
| file | You can select files other than pictures and videos |
| Property | Type | Description |
|---|---|---|
| tempFiles | Array.<Object> | Returns an array of local temporary file objects for the selected file |
The structure of res.tempFiles
| Property | Type | Description |
|---|---|---|
| path | string | Local Temporary File Path (Local Path) |
| size | number | Local temporary file size, unit B |
| name | string | The name of the file selected |
| type | string | The type of file selected |
| time | number | Select the session time of the file, Unix timestamp, and the tool does not support this property for the time being |
Type's legal value
| value | illustrate | Minimum version |
|---|---|---|
| video | Selected video files | |
| image | Selected a picture file | |
| file | Selected files except pictures and videos |
wx.chooseMessageFile({
count: 10,
type: 'image',
success (res) {
// tempFilePath可以作为img标签的src属性显示图片
const tempFilePaths = res.tempFiles
}
})