我找到了很多在 objective-c 中自动填充用户名和密码的方法,但我不知道如何让它与 Swift 一起工作。这段代码的 Swift 等价物是什么?这对我想要实现的目标有用吗?谢谢
- (void)webViewDidFinishLoad:(UIWebView *)webView {
// Auto fill the username and password text fields, assuming the HTML has
// <input type="text" name="username"> and
// <input type="text" name="password">
NSString *savedUsername = [[NSUserDefaults standardUserDefaults] objectForKey:@"USERNAME"];
NSString *savedPassword = [[NSUserDefaults standardUserDefaults] objectForKey:@"PASSWORD"];
if (savedUsername.length != 0 && savedPassword.length != 0) {
// Create js strings
NSString *loadUsernameJS = [NSString stringWithFormat:@"var inputFields = document.querySelectorAll(\"input[name='username']\"); \
for (var i = inputFields.length >>> 0; i--;) { inputFields[i].value = '%@';}", savedUsername];
NSString *loadPasswordJS = [NSString stringWithFormat:@"var inputFields = document.querySelectorAll(\"input[name='password']\"); \
for (var i = inputFields.length >>> 0; i--;) { inputFields[i].value = '%@';}", savedPassword];
// Runs the JS
[self.webview stringByEvaluatingJavaScriptFromString: loadUsernameJS];
[self.webview stringByEvaluatingJavaScriptFromString: loadPasswordJS];
}
我有这个,但由于某种原因它不会自动填充,即使我已经测试并且值存储正确并且被正确抓取:
func webViewDidFinishLoad(_ : UIWebView){
let savedUsername = NSUserDefaults.standardUserDefaults().stringForKey("USERNAME")
let savedPassword = NSUserDefaults.standardUserDefaults().stringForKey("PASSWORD")
if savedUsername == nil || savedPassword == nil {return}
if ( countElements(savedUsername!) != 0 && countElements(savedPassword!) != 0) {
let loadUsernameJS = "var inputFields = document.querySelectorAll(\"input[name='username']\"); \\ for (var i = inputFields.length >>> 0; i--;) { inputFields[i].value = \'\(savedUsername)\';}"
let loadPasswordJS = "var inputFields = document.querySelectorAll(\"input[type='password']\"); \\ for (var i = inputFields.length >>> 0; i--;) { inputFields[i].value = \'\(savedPassword)\';}"
self.webView.stringByEvaluatingJavaScriptFromString(loadUsernameJS)
self.webView.stringByEvaluatingJavaScriptFromString(loadPasswordJS)
}
}
最佳答案
这是对您提供的代码的简单快速转换。 SStringByEvaluatingJavaScriptFromString 已经使用不同的 javascript 进行了测试并且可以正常工作。
func webViewDidFinishLoad(webView: UIWebView!) {
let savedUsername = NSUserDefaults.standardUserDefaults().stringForKey("USERNAME")
let savedPassword = NSUserDefaults.standardUserDefaults().stringForKey("PASSWORD")
if savedUsername == nil || savedPassword == nil {return}
if ( countElements(savedUsername!) != 0 && countElements(savedPassword!) != 0) {
let loadUsernameJS = "var inputFields = document.querySelectorAll(\"input[name='username']\"); \\ for (var i = inputFields.length >>> 0; i--;) { inputFields[i].value = \'\(savedUsername)\';}"
let loadPasswordJS = "var inputFields = document.querySelectorAll(\"input[name='password']\"); \\ for (var i = inputFields.length >>> 0; i--;) { inputFields[i].value = \'\(savedPassword)\';}"
self.webview.stringByEvaluatingJavaScriptFromString(loadUsernameJS)
self.webview.stringByEvaluatingJavaScriptFromString(loadPasswordJS)
}
}
关于ios - 自动填充用户名和密码 UIWebView Swift,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/26329771/