文件名称：打开附件.java
文件大小：3KB
文件格式：JAVA
更新时间：2019-06-13 07:50:57
OpenFile
package com.example.administrator.sgsoa.com.example.administrator.sgsoa.utils; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.os.Environment; import android.widget.Toast; import java.io.File; /** * Created by niuyouquan on 2016/5/19. */ public class OpenFile { private static Context context; public OpenFile(Context context){ this.context = context; } public static void openFile(String fileName){ if(fileName!=null && !"".equals(fileName)){ String name = fileName.toLowerCase(); if(name.lastIndexOf("doc") >=0 || name.lastIndexOf("docx") >=0){ //打开的是word Intent intent = new Intent("android.intent.action.VIEW"); intent.addCategory("android.intent.category.DEFAULT"); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); Uri uri = Uri.fromFile(new File(Environment.getExternalStorageDirectory()+"/myFile/"+name )); intent.setDataAndType(uri, "application/msword"); context.startActivity(intent); }else if(name.lastIndexOf("xls") >=0 || name.lastIndexOf("xlsx") >=0){ //打开的是excel Intent intent = new Intent("android.intent.action.VIEW"); intent.addCategory("android.intent.category.DEFAULT"); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); Uri uri = Uri.fromFile(new File(Environment.getExternalStorageDirectory()+"/myFile/"+name )); intent.setDataAndType(uri, "application/vnd.ms-excel"); context.startActivity(intent); }else if(name.lastIndexOf("pdf") >=0){ //打开的是pdf Intent intent = new Intent("android.intent.action.VIEW"); intent.addCategory("android.intent.category.DEFAULT"); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); Uri uri = Uri.fromFile(new File(Environment.getExternalStorageDirectory()+"/myFile/"+name )); intent.setDataAndType(uri, "application/pdf"); context.startActivity(intent); }else if(name.lastIndexOf("ppt") >=0 || name.lastIndexOf("pptx") >=0){ //打开的是ppt Intent intent = new Intent("android.intent.action.VIEW"); intent.addCategory("android.intent.category.DEFAULT"); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); Uri uri = Uri.fromFile(new File(Environment.getExternalStorageDirectory()+"/myFile/"+name )); intent.setDataAndType(uri, "application/vnd.ms-powerpoint"); context.startActivity(intent); }else if(name.lastIndexOf("zip") >=0){ Toast.makeText(context, "没有可以打开的工具！", Toast.LENGTH_LONG).show(); } } } }