从本地读取文件,缓存到map集合中
static Map<String, String> question =new HashMap<String, String>(...
从本地读取文件,缓存到map集合中
static Map<String, String> question =new HashMap<String, String>();
BufferedReader bf = new BufferedReader(new FileReader(\"文件名\"))
while((line=bf.readLine())!=null) {
if( line.split(\"\\\\001\").length<3) {return;}
String[] split = line.split(\"\\\\001\");
question.put(split[0],split[2]+\"\\\\001\"+split[3]);
}
缓存hdfs文件
Configuration conf = context.getConfiguration();
FileSystem fs=null;
try {
fs=FileSystem.get(new URI(\"hdfs://slm001:9000\"),conf);
} catch (URISyntaxException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
FSDataInputStream in = fs.open(new
Path(\"hdfs://slm001:9000/user/kk/question/part-m-00000\"));
BufferedReader br = new BufferedReader(new InputStreamReader(in));
String line = null;
while((line = br.readLine())!=null) {
if( line.split(\"\\\\001\").length<3) {return;}
String[] split = line.split(\"\\\\001\");
}
in.close();
br.close();
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