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 ×îÐÂÎÄÕ : java

JavaÈçºÎµ¼³öexcelÎļþ - Java / Java EE

ÎÒÒª´ÓÊý¾Ý¿âÖÐÈ¡³öÊý¾Ý£¬È»ºó±£´æµ½±¾µØµÄexcelÖС£¶ÔexcelÖеĸñʽÓÐЩҪÇó£¬ËùÒÔÎÒÏë²ÉÓÃjxl£¬µ«ÊDZ£´æʱÊDZ£´æµ½·þÎñÆ÷Éϵģ¬ÇëÎÊÔõôÑù±£´æµ½±¾µØ»úÉÏÄØ£¿ÎÒÓÃÁËstruts2ºÍjpa¿ò¼Ü£¬ÊDz»ÊÇ»¹ÒªÔÚstrutsÀïÃæ×öЩÅäÖÃÄØ£¿

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javaÖÐResultSet is closed ÎÊÌâ - Java / Java EE

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i1=1;
for (i = 0; i < 2000; i++,i1++){
  if(user[i]==null||user_name[i]==null)continue;
  sql4="update JQBD set user='"+user[i]+"',user_name='"+user_name[i]+"' where num='"+num[i]+"'";
  stmt1.executeUpdate(sql4);
  Syst ......

mysql²éѯÓï¾ä³ö´í - Java / Java EE

String sql = "select resourceSn,aclState&1,aclState&2,aclState&4,aclState&8,aclTriState from acl ";
ÎÒÓõÄÊÇmysqlÊý¾Ý¿â£¬ÎÒÏëÎÊÏÂΪʲôËüÌáʾsqlÓï¾äÓÐ´í¡£ËüµÄ´íÎóÊÇÕâÑùµÄ £¬ºÃÏñÈÏʶ²»³ö& ·ûºÅ£¬²»ÊÇmysqlÖ§³ÖÕâÑù²éѯÂð£¿
  ´íÎóÐÅÏ¢£º
  unexpected char: '&am ......

Oracle ¸ßÊÖ½ø - Java / Java EE

SELECT * from (SELECT A.*, ROWNUM RN from (SELECT * from t_out_logon) A WHERE ROWNUM <= 30)WHERE RN >= 21
SELECT A.* from (SELECT t.*,rownum rn from t_out_logon t WHERE ROWNUM <= 30) A WHERE RN >= 21
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XML ½âÎö - Java / Java EE

<response><code>0</code><name></name><cause></cause><advice></advice><result>&lt;rows&gt;&lt;row&gt;&lt;col&gt;888482&lt;/col&gt;&lt;col&gt;100&lt;/col&gt;&lt;col&gt;10A&lt;/col&am ......

jaxb2.0Éú³ÉXMLʱ³öÏÖns2ǰ׺µÄÎÊÌâ - Java / Java EE

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<containerSet xmlns:ns2="http://www.huawei.com/schema/ngin/ideploy/nodeCfg/v1_0">
  <ns2:container type="Monitor" id="0"/>
  <ns2:container type ......
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