[Ljava.lang.String; cannot be cast to java.lang.String
2010-03-31 20:54
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使用request.getParameterMap()获得Map中的数据时,
map.get(key)
Map map=request.getParameterMap();
String value=(String) map.get(key);
报[Ljava.lang.String; cannot be cast to java.lang.String错误
map.get(key)返回的是String[],所以要使用字符串数组才行。
map.get(key)
Map map=request.getParameterMap();
String value=(String) map.get(key);
报[Ljava.lang.String; cannot be cast to java.lang.String错误
map.get(key)返回的是String[],所以要使用字符串数组才行。
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