2011-08-17 39 views

回答

0

使用JSON傑克遜庫的ObjectMapper類反序列化到一個地圖,然後得到密鑰集():

所需的導入:

import org.codehaus.jackson.map.ObjectMapper; 

例子:

public void readValueAsMap() throws Exception 
{ 
    String value = "{\"226167\":\"myshow\",\"3193\":\"yourshow\"}"; 
    ObjectMapper mapper = new ObjectMapper(); 
    Map<String,String> valueAsMap = mapper.readValue(value, Map.class); 
    Collection<String> values = valueAsMap.keySet(); 
    assertTrue(values.contains("226167")); 
    assertTrue(values.contains("3193")); 
} 
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