问题描述
我是本机反应的新手。我创建了一个屏幕,从中我将一些数据发送到服务器。我也在上传图片。但问题是我想在所有图像或任何图像为空时显示警报。但是当我运行下面的代码时。他们没有验证所有条件。如果上传了任何一张图片,则表单正在提交。但我希望该 API 当且仅当所有图像都上传时才会运行。
这是我的代码。
const validateInputs = () => {
if (singleFilePAN && singleFileADH && singleFileADH1 != null)
{
if (!/[A-Z]{5}[0-9]{4}[A-Z]{1}/.test(PAN)){
setPanError('Please Insert valid PAN Card Image \n And Valid Pan card number')
return;
}
if (!/^[0-9]{2}[A-Z]{5}[0-9]{4}[A-Z]{1}[1-9A-Z]{1}Z[0-9A-Z]{1}$/.test(GST)) {
setGstError('Please Insert valid GST Number')
return;
}
if (!/^\d{4}\s\d{4}\s\d{4}$/.test(ADH)) {
setAdhError('Please Insert valid Aadhar Card Image \n And Valid Adhar card number')
return;
}
else
{
{
fetch('https://xyz/Abs/uploadt_data',{
method: 'POST',headers: {'Accept': 'application/json,text/plain,*/*',"Content-Type" : "application/json"},body : JSON.stringify([{formData}])
})
.then((returnValue) => returnValue.json())
.then(function(response) {
console.log(response)
Alert.alert("File uploaded");
return response.json();
});
});
}
Alert.alert("success")
return;
}
}
Alert.alert("Please Upload All Images")
};
const takePicture = async (type) => {
if (camera) {
const data = await camera.takePictureAsync({
mediaTypes: ImagePicker.MediaTypeOptions.All,});
console.log(data.uri);
const newImageArr = imageArray;
if (imageType === 'PAN') {
newImageArr.PAN = data.uri;
}else if (imageType === 'ADH' && evenTry) {
newImageArr.ADH = data.uri;
setEvenTry((val) => !val);
} else if (imageType === 'ADH' && !evenTry) {
newImageArr.ADH1 = data.uri;
setEvenTry((val) => !val);
}
setimageArray({...newImageArr});
setShowCamera(false);
setimageType('');
setSingleFilePAN({ singleFilePAN: newImageArr.PAN});
setSingleFileADH({ singleFileADH: newImageArr.ADH});
setSingleFileADH1({ singleFileADH1: newImageArr.ADH1});
}
};
const pickImage = async (type) => {
let result = await ImagePicker.launchImageLibraryAsync({
mediaTypes: ImagePicker.MediaTypeOptions.All,});
console.log(result.uri);
if (!result.cancelled) {
const newImageArr = imageArray;
if (type === 'PAN') {
newImageArr.PAN = result.uri;
} else if (type === 'ADH' && evenTry) {
newImageArr.ADH = result.uri;
setEvenTry((val) => !val);
} else if (type === 'ADH' && !evenTry) {
newImageArr.ADH1 = result.uri;
setEvenTry((val) => !val);
}
setimageArray({ ...newImageArr });
setSingleFilePAN({ singleFilePAN: newImageArr.PAN});
setSingleFileADH({ singleFileADH: newImageArr.ADH});
setSingleFileADH1({ singleFileADH1: newImageArr.ADH1});
}
解决方法
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