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我有一些intellij問題。 我加了JSON庫,但是當我運行程序這個錯誤出現錯誤:package org.codehaus.jackson不存在
錯誤:(8,28)錯誤:包org.codehaus.jackson不存在
這是我的代碼
package openquality.tutorialjson;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import java.util.List;
import java.io.IOException;
public class MainActivity extends AppCompatActivity {
ListView listView;
ListAdapter adapter;
List<CubetaDTO> response;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView=(ListView)findViewById(R.id.lista);
adapter= new ArrayAdapter(this,R.layout.list,R.id.textView,response);
listView.setAdapter(adapter);
class Jackson2Example {
public void main(String[] args) {
Jackson2Example obj = new Jackson2Example();
obj.run();
}
private void run() {
ObjectMapper mapper = new ObjectMapper();
try {
// Convert JSON string from file to Object
/* List<CubetaDTO> response = mapper.readValue(new File("D:\\staff.json"), List.class);
System.out.println(response);*/
// Convert JSON string to Object
String jsonInString = "[{'TagId':123,'Estado':'Disponible'}"+
"{'TagId':153,'Estado':'Muerto'}"+
"{'TagId':324,'Estado':'Disponible'}"+
"{'TagId':fdger,'Estado':'Almorzando'}"+
"{'TagId':123423,'Estado':'Disponible'}"+
"{'TagId':65784,'Estado':'En el baño'}"+
"]";
response = mapper.readValue(jsonInString, List.class);
} catch (JsonGenerationException e) {
e.printStackTrace();
} catch (JsonMappingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}`
要添加的JSON庫,Y在工程中的結構,librarias和+辛博爾點擊並添加庫
這裏的build.gradle
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "25.0.2"
defaultConfig {
applicationId "openquality.tutorialjson"
minSdkVersion 15
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner
"android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'),
'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2',
{
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:25.3.1'
testCompile 'junit:junit:4.12'
}
顯示你的'build.gradle'文件。 –
我需要添加什麼? –
artifact在maven repo中可用,因此通過添加到依賴項中來編譯jar。 – Aryan