如何讀取多個文件行並將它們存儲到使用掃描程序的不同對象中

Question

我有一個文件，我試圖從中讀取多行文件。但取決於它是一個房地產經紀人行還是屬性行，它會將某些東西存儲到行值列表中。我找不出合適的循環讀取線正常這裏是我的代碼讀取行

while (fileScanner.hasNextLine()) { 
     String oneLine; 
     String[] lineValues = null; 
     oneLine = fileScanner.nextLine(); 

     lineValues = oneLine.split(","); 

     if (lineValues[0].contains("REALTOR")) { 
      if (lineValues[1].contains("ADD")) {      
       processRealtorAddition(lineValues);      
      } else if (lineValues[1].contains("DEL")) { 
       realtorDeletion(lineValues); 
      } 
      else 
       break; 

     } if (lineValues[0].contains("PROPERTY")) { 
      System.out.println("fsdfsdfsdfdsfdsfsdfsdfds");     
      if (lineValues[1].contains("ADD")) {      
       processPropertyAddition(lineValues); 
       break; 
      } else if (lineValues[1].contains("DEL")) { 
       propertyDeletion(lineValues); 
      } 
     }    
    } 
} 

但是當我運行，我得到這樣的：

The Realtor Object with a license number of MN4564567 has been added fsdfsdfsdfdsfdsfsdfsdfds Realtor Log:

Property Log: Property{mlsNumber=4455667, licenseNumber=MN4564567, streetAdress=4455 This Circle, city=Denver, state=CO, zipCode=80333, bedrooms=1, bathrooms=1.0, sold=false, askingPrice=344555.0} All properties are correct BUILD SUCCESSFUL (total time: 0 seconds)

這是我的文件想讀：

REALTOR,ADD,MN4564567,Carla,Combs,444-555-6666,0.014 PROPERTY,ADD,4455667,MN4564567,4455 This Circle,Denver,CO,80333,1,1,N,344555 REALTOR,ADD,RR6655443,Jerry,Smith,555-444-3333,0.013 PROPERTY,ADD,23456789,RR6655443,888 Terry Lane,Longmont,CO,80503,3,2,N,222222 REALTOR,ADD,AB1234567,Matthew,Munez,123-456-7890,0.012 PROPERTY,ADD,1234567,AB1234567,1234 Which Way,Somewhere,CO,82222,3,3,Y,222222 PROPERTY,ADD,2234567,AB1234567,345 Main St,Fort Collins,CO,81333,4,3.5,N,222333 REALTOR,DEL,MN4564567 REALTOR,ADD,XY98765432,Alex,Yung,999-888-7777,0.013 PROPERTY,ADD,9998888,XY98765432,111 Main St,Cheyenne,WY,82222,1,1

，N，199888

我只需要它來讀取第一行獲得所有的R ight信息，然後再次啓動while循環，然後讀取第二行。謝謝！

這是處理另外

static void processPropertyAddition(String lineValues[]) { 
    Property property = new Property(lineValues); 

    boolean value1 = property.verifyMlsNumber(); 
    boolean value2 = property.verifyState(); 
    boolean value3 = property.verifyZipCode(); 

    if (value1 == false) { 
     System.out.println("ERROR: invalid MLS number: " 
       + property.mlsNumber + "\n"); 
    } else if (value2 == false) { 
     System.out.println("ERROR: Invalid State: " 
       + property.state + "\n"); 
    } else if (value3 == false) { 
     System.out.println("ERROR: Invalid zip code: " 
       + property.zipCode + "\n"); 
    } 

    boolean value4 = realtorLogImpl.isLicenseUnique(property.getLicenseNumber()); 

    boolean value5 = propertyLogImpl.isMlsUnique(property.getMlsNumber()); 
    if (value4 == false && value5 == false) { 
     propertyList.add(property); 
    } else if (value5 == true && value4 == true) { 
     propertyList.add(property); 
    } else if (value4 == false && value5 == true) { 
     propertyList.add(property); 

     System.out.println("The Property with Realtor license number " 
       + property.getLicenseNumber() + " and with MLS number" 
       + property.getMlsNumber() + " has been added"); 
    } else if (value4 == true && value5 == false) { 
     System.err.println(" Property will not be added due to " 
       + "a Realtor license or a MLS number that is not " 
       + "unique"); 
    } 
} 

這是PropertyLogImpl的一個屬性添加到屬性鏈接列表的方法靜態方法

public boolean add(Property property) { 
    return propertyList.add(property); 
} 

我必須有一個方法添加一個屬性，我覺得這種方法可能不正確，可能是它的原因

Answer 1

而不是這個

} if (lineValues[0].contains("PROPERTY")) { 

你可能想寫

} else if (lineValues[0].contains("PROPERTY")) { 

此外，只要您使用contains你probaly想用equals代替。

而且正如在評論中提到的那樣，您對break聲明的使用是可疑的。

如果您遇到無限循環，那麼到目前爲止所顯示的代碼中沒有任何內容會導致此問題。這是可能的無限循環來自這裏：

realtorLogImpl.isLicenseUnique(property.getLicenseNumber()); 

它應該是很容易找到一個調試器的原因（提示，暗示，...）

Answer 2

break語句就會中斷for/while循環。

如果您在processPropertyAddition方法調用後刪除break語句，應該修復您的錯誤。