Parameters
| Property | Type | Required | Description |
|---|---|---|---|
| signStr | String | Yes | Signed contract string from backend |
| success | Function | No | Callback with sign result |
| fail | Function | No | Callback on failure |
| complete | Function | No | Callback that always executes |
Success Callback
| Property | Type | Description |
|---|---|---|
| authState | String | Authorization state generated by the Mini Program server (max 256 characters) |
| authCode | String | Authorization code for obtaining the agreement payment access token (max 32 characters) |
Fail Callback
| Property | Type | Description |
|---|---|---|
| error | String | Error code |
| errMessage | String | Human-readable error description |
Error Codes
| Code | Meaning |
|---|---|
6001 | User cancelled the signing process |
6002 | Network error during signing |
7001 | Outcome unknown — signing may have succeeded |
7002 | Signing failed |
Code Example
my.signContract({
signStr: signStrFromBackend,
success: (res) => {
console.log('Auth code:', res.authCode);
// Exchange authCode server-side via applyToken
},
fail: (err) => {
if (err.error === '6001') {
console.log('User cancelled');
} else {
console.error('Signing failed:', err.errMessage);
}
}
});