Java 如何删除多个If块
我有一个json请求,它几乎没有必需的字段。在我的代码中,初始检查是检查所需的字段,如果缺少这些字段,则抛出一个缺少字段名的错误。实现这一目标的最佳方式是什么。下面是我的代码Java 如何删除多个If块,java,json,Java,Json,我有一个json请求,它几乎没有必需的字段。在我的代码中,初始检查是检查所需的字段,如果缺少这些字段,则抛出一个缺少字段名的错误。实现这一目标的最佳方式是什么。下面是我的代码 Boolean isRequiredFlag = true; if(String.isBlank(custReq.partnerId) || String.isBlank(custReq.partnerRepName) || String.isBlank(custReq.name.first) || String.
Boolean isRequiredFlag = true;
if(String.isBlank(custReq.partnerId) || String.isBlank(custReq.partnerRepName) || String.isBlank(custReq.name.first) || String.isBlank(custReq.name.last)
|| String.isBlank(custReq.address.addrLine1) || String.isBlank(custReq.address.city) || String.isBlank(custReq.address.state) || String.isBlank(custReq.address.postalCode)
|| String.isBlank(custReq.phones.phone)){
isRequiredFlag = false;
}
上面的块可以工作,但无法获取哪些字段为空。一个可能的解决方案是做许多if声明,但如果有人能提出更好的方法,我将不胜感激 使用迭代器循环遍历属性应该是个好主意:
Boolean isRequiredFlag = true;
JSONObject custReqObj = new JSONObject(custReq);
Iterator<?> custReqKeys = custReqObj.keys();
while(custReqKeys.hasNext()){
String key = (String)custReqKeys.next();
String value = custReqObj.getString(key);
if(String.isBlank(value)) {
isRequiredFlag = false;
}
}
Boolean isRequiredFlag=true;
JSONObject custReqObj=新的JSONObject(custReq);
迭代器custReqKeys=custReqObj.keys();
while(custReqKeys.hasNext()){
字符串键=(字符串)custReqKeys.next();
字符串值=custReqObj.getString(键);
if(String.isBlank(值)){
isRequiredFlag=false;
}
}
使用迭代器循环遍历属性应该是个好主意:
Boolean isRequiredFlag = true;
JSONObject custReqObj = new JSONObject(custReq);
Iterator<?> custReqKeys = custReqObj.keys();
while(custReqKeys.hasNext()){
String key = (String)custReqKeys.next();
String value = custReqObj.getString(key);
if(String.isBlank(value)) {
isRequiredFlag = false;
}
}
Boolean isRequiredFlag=true;
JSONObject custReqObj=新的JSONObject(custReq);
迭代器custReqKeys=custReqObj.keys();
while(custReqKeys.hasNext()){
字符串键=(字符串)custReqKeys.next();
字符串值=custReqObj.getString(键);
if(String.isBlank(值)){
isRequiredFlag=false;
}
}
一种方法是创建所需字段名称及其值的映射,然后过滤映射中的空白字段值:
Map<String, String> requiredFields = new HashMap<String, String>();
requiredFields.put("partnerId", custReq.partnerId);
requiredFields.put("partnerRepName", custReq.partnerRepName);
requiredFields.put("name.first", custReq.name.first);
...
requiredFields.put("phones.phone", custReq.phones.phone);
一种方法是创建所需字段名称及其值的映射,然后过滤映射中的空白字段值:
Map<String, String> requiredFields = new HashMap<String, String>();
requiredFields.put("partnerId", custReq.partnerId);
requiredFields.put("partnerRepName", custReq.partnerRepName);
requiredFields.put("name.first", custReq.name.first);
...
requiredFields.put("phones.phone", custReq.phones.phone);