convert text file to json format in java

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The Java object is converted to JSON format by Jackson, and the first letter of the property name becomes a lowercase solution

;//exception error message @jsonpropertyprotected stringexceptmessage;/*** get error number:0 success NBSP, other indicates failure * @return */@ Jsonignorepublicstringgeterrorcode () {returnerrorcode;} /*** Set error number:0 success NBSP, other indicates failure * @param errorcode*/@JsonIgnorepublic Voidseterrorcode (Stringerrorcode) {this. Errorcode=errorcode;} /*** getting prompt errorInformation * @return */@JsonIgnorepublic stringgeterrormessage () {return ErrorMessage;} /*** Setup prompt

Java server-side JSON result set data output format to the front end

When outputting JSON data on the server, the Time field is output in a certain format, and Fastjson supports two ways:1. Using the Json.tojsonstringwithdateformat method2.json.tojsonstring method to increase Serializerfeature.writedateusedateformat parametersThe disadvantage of the first method is that if Json.deffault_date_format = "Yyyy-mm-dd hh:mm" is not called when deserializing; Set the time

Converts data from a database with a parent-child relationship into JSON format using Java code

(Companynode n:nodes) {//filter from nodes so that the child nodes are Pnodeif (PNODE.GETCYBH (). Equals (N.GETSJ_CYBH ())) {Childnodes.add (n);}}return childNodes;}/*** Determine if the root node* @param node* @return*/public boolean RootNode (Companynode node) {Boolean isrootnode = true;for (Companynode n:nodes) {//filter from nodes so the parent nodeif (NODE.GETSJ_CYBH () Equals (N.GETCYBH ())) {//To determine the incoming node object, his superior member number also has no corresponding mem

Teach you how to pack Java code into a jar file and convert it into an EXE executable file

teach you how to pack Java code into a jar file and convert it into an EXE executable file 1. Background: Learning Java, the textbook on the issue of the title, only a section, but also to write their own troublesome configuration file

Using Java code to complete the conversion to JSON format

; }}/** * */Package Net.nyist.jsondemo.servlet;import java.util.arraylist;import java.util.hashmap;import java.util.List; Import Java.util.map;import Net.nyist.jsondemo.entity.address;import Net.nyist.jsondemo.entity.user;import Org.json.JSONArray;/** * @author Yuchao * * @school the application and development of the mobile device of Nanyang Institute of Technology software 11 soft Mobile Four Classes * * @time 2014-9-17 pm 11:53:03*/ Public classJsonobjectdemo { Public Static voidMain (string

Java read UTF-8 format file The first line appears garbled--question mark "?" and to solve and Java read with BOM UTF-8 file garbled reason and solution

")," iso-8859-1 "); Bufferedwriter.write (line); Bufferedwriter.newline ();//indicates newline Bufferedwriter.flush ();}} catch (IOException e) {e.printstacktrace ();} Finally{if (null! = BufferedReader) {try {bufferedreader.close ();} catch (IOException e) {e.printstacktrace ();}} if (null! = BufferedWriter) {try {bufferedwriter.close ();} catch (IOException e) {e.printstacktrace ();}}} return realfile;}Test results:??00:00:06,000-00:00:06,010200:00:10,280-00:00:12,680Was Geh?rt zu einer g

Mysql-java parses Sina Weibo Json data and obtains uid and text

The json format is { quot; reposts_count quot;: 0, quot; mlevel quot;: 0, ** quot; user_id quot;: 1620302927, ** quot; retweeted_status quot;: { quot; reposts_count quot;: 1, quot; user_id quot;: 2209251457, ** quot; text quot;: quot; u4e24u6735u5c0fu83cau82b1u554 mysql data mining javajson The json

SPOOL command Use instance "Oracle Export plain Text Format file"

SPOOL command Use instance "Oracle Export plain Text Format file"SET echo off-whether to display the SQL statement being executed in the script when executing an SQL script with the start command;SET feedback off-whether to echo the number of record bars processed by this SQL command, the default is on;Set heading off-The column header is displayed, default is on

"Java" Java byte[], File, InputStream convert each other

=========================================================================In the process of use, be sure to note that close () off each read-write stream!!!!!=========================================================================1. Convert file, FileInputStream to byte array:The "New file (parameter) parameter can write absolute path, or you can write a

[Import] Lucene Common Format File Text Extraction Tool

The appendix lists some file extraction tools for commonly used format files for use in Lucene. 1. pdf formatPDF documents are quite common, but if you want to index the content, you need a dedicated tool to extract the text. The most common PDF Text Extraction Tool is product_box. Its download URL is: Http://sourc

Upload TXT file encoding format judgment (text garbled solution)

Description  Through Ajax or browse upload text files, upload time C # processing time because the text format is different, in the acquisition of content will appear in Chinese garbled.WorkaroundBy uploading the file stream, judging the file encoding

After php imports an excel file into the MySQL database, how can it be displayed in text format?

After php imports an excel file into the MySQL database, how does php display it in text format? after php imports an excel file into the MySQL database, how does php display it in text format? For example, excel contains 97875093

Java converts text of XML type to JSON

1 Packagedemo; 2 ImportNet.sf.json.JSONObject;3 ImportNet.sf.json.xml.XMLSerializer;4 /** 5 * 6 * @authorLove Ru a WAN year7 * dom4j generate XML documents and parse XML documents8 */ 9 Public classXmltojson {Ten One Public Static voidMain (string[] args) { AString xml= "; -String json=Xml2json (XML); -Jsonobject Object =Jsonobject.fromobject (JSON); theJsonobject results = Jsonobject.fromobject

How can I determine the encoding format of a text file?

In this example, the file named .txt is used in windows. Notepad (Notepad) only supports four formats: ANSI/Unicode big endian/UFT-8, in Delphi how to judge and read these different formats of text? First, the encoding formats of different encoded texts are defined based on the first two bytes of the text. Definition: ANSI: No

How to read a file in a text. txt format in Python

The interception section reads as follows:10.235186 11.321997 10.122339 11.810993 9.190236 8.904943 9.306371 9.847394 8.330131 8.340352How do I turn data into a matrix?The first step is to open the file by using the open () function:1 >>> filename='; 2 >>> fr=open (fileName);View Type:1>>> fr=open (fileName);2>>>Type (FR)3class '_io. Textiowrapper'>4>>>FR5'D://softwaretool/python/python_exercisecode/chap13_pca//testset.txt'Mode='R'en

Use Lucene to change the font format of the text and then output it to a new file.

("4", "4");Map.put ("5", "5");Map.put ("6", "6");Map.put ("7", "7");Map.put ("8", "8");Map.put ("9", "9");int length = Line.length ();for (int i = 0; i String Charat = line.substring (i, i + 1); if (Map.get (charat) = null) { line = Line.replace (Charat, (String) Map.get (Charat)); }}return line;}public static File charactoprocess (string string, string destfile) {try{Create an output stream for writing new filesBufferedWriter writer = new BufferedW

Java. SQL. SQLException: ORA-01861: Text and format strings do not match,

Java. SQL. SQLException: ORA-01861: Text and format strings do not match, 1. Error description Java. SQL. SQLException: ORA-01861: Text and format strings do not match 2. Error cause When the field name is statis_date, the D

Use sqlplus to output data in a table to a text file in a specified format

-- Use sqlplus to output data in a table to a text file in a specified format Set term off -- remove Screen Display Set feed off -- remove the number of lines displayed for output Set pagesize 0 -- no page feed Set linesize 2000 -- set the length of the row to ensure that the sum of the length of all the output fields is displayed. Set space off -- set the n

Java. text. DecimalFormat class decimal format,

Java. text. DecimalFormat class decimal format, The specific code of the java. text. DecimalFormat class in decimal format is for your reference. The specific content is as follows: Import jav

Java judges the encoding format and reads of text files

Java judges the encoding format and reads of text files If not agreed, to parse txt files need to know the file encoding type, because the file encoding type, such as UTF-8, GBK, UTF-16, GB2312 and so on. In fact, there is a simple way. You only need to do this. String

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