EL

EL表达式总是放在大括号里,而且前面有一个美元符前缀 

${person.name}


EL表达式不能在脚本中定义变量 。目标是从JSP页面中消除Java代码 

与JSP脚本表达式比较

室外温度是 <%= temp %> 度。
如果使用EL,则是:
室外温度是${temp}度

在EL表达式中使用隐式变量


类别

隐式变量名

描述

JSP

pageContext

用来访问JSP的隐式对象 

作用域

pageScope

page作用域属性的名称和值相关联的 Map 

requestScope

request作用域属性的名称和值相关联的 Map 

sessionScope

session作用域属性的名称和值相关联的 Map 

applicationScope

application作用域属性的名称和值相关联的 Map 

请求参数

param

包含请求参数字符串的Map 

paramValues

包含请求参数字符串数组( String[])的 Map 

请求头

header

包含请求头字符串的 Map 

headerValues

包含请求头字符串数组(String[])的 Map 


标准标记库JSTL

功能范围

作用

URI

前缀

核心(core

一般用途处理的标记

http://java.sun.com/jsp/jstl/core

c

xml

解析、选择、转换XML数据的标记

http://java.sun.com/jsp/jstl/xml

x

数据库sql

访问关系型数据库的标记

http://java.sun.com/jsp/jstl/sql

sql

国际化(I18N

为国际化应用格式化数据的标记

http://java.sun.com/jsp/jstl/fmt

fmt

函数(Functions

处理字符串和集合的标记

http://java.sun.com/jsp/jstl/functi


JSTL核心标记包括通用标记<c:catch>和<c:out>、变量支持标记<c:set>和<c:remove>、流程控制标记<c:if>、<c:choose>、<c:forEach>和<c:forTokens>、URL处理标记<c:url>、<c:import>和<c:redirect> 

我提供给你一段sql,你需要修改一下,要求是所有关于查询el_requirement_apply和el_comp_info表的语句均需要增加del_flag = '0'的条件,修改完成后你需要将完整的代码返回给我,完整的sql如下: SELECT gen_random_uuid() AS id, (( SELECT count(1) AS count FROM el_comp_info WHERE ((substr((el_comp_info.unified_code)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_comp_info.unified_code)::text = (feiminying.uniscid)::text)))) AND ((el_comp_info.del_flag)::text = '0'::text) AND ((el_comp_info.audit_status)::text = 'AUDITED'::text))))::numeric AS registeredenterprisenum, COALESCE(( SELECT count(1) AS count FROM el_granting_credit, el_financial_institution, el_requirement_apply WHERE (((el_requirement_apply.id)::text = (el_granting_credit.apply_id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_granting_credit.create_by)::text = (el_financial_institution.user_id)::text))), (0)::bigint) AS creditenterprisenum, COALESCE(( SELECT count(DISTINCT el_requirement_info.unisc_id) AS count FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND ((el_financial_institution.user_id)::text = (el_loan_grant.create_by)::text))), (0)::bigint) AS loanenterprisenum, COALESCE(( SELECT count(DISTINCT el_requirement_info.unisc_id) AS count FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND ((el_financial_institution.user_id)::text = (el_loan_grant.create_by)::text))), (0)::bigint) AS loanmicroenterprisenum, COALESCE(( SELECT sum(el_granting_credit.granting_amount) AS sum FROM el_granting_credit, el_financial_institution, el_requirement_apply WHERE (((el_requirement_apply.id)::text = (el_granting_credit.apply_id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_granting_credit.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS creditamount, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_requirement_apply, el_financial_institution WHERE (((el_requirement_apply.id)::text = (el_loan_grant.apply_id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS loanamount, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_requirement_apply, el_financial_institution WHERE (((el_requirement_apply.id)::text = (el_loan_grant.apply_id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS inclusivemicroenterpriseloanamount, COALESCE(( SELECT count(1) AS count FROM el_loan_grant, el_requirement_apply, el_financial_institution WHERE (((el_requirement_apply.id)::text = (el_loan_grant.apply_id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::bigint) AS loannum, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND (el_requirement_info.guarantee_mode = '5'::numeric) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS creditloanamount, COALESCE(( SELECT count(1) AS count FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND (el_requirement_info.guarantee_mode = '5'::numeric) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::bigint) AS creditloannum, COALESCE(( SELECT sum(el_requirement_info.amount) AS sum FROM el_requirement_info, el_requirement_apply, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_requirement_info.id)::text = (el_requirement_apply.requirement_id)::text) AND ((el_requirement_apply.institution_id)::text = (el_financial_institution.id)::text))), (0)::numeric) AS financingneedsamount, COALESCE(( SELECT count(1) AS count FROM el_requirement_info, el_requirement_apply, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_requirement_info.id)::text = (el_requirement_apply.requirement_id)::text) AND ((el_financial_institution.id)::text = (el_requirement_apply.institution_id)::text))), (0)::bigint) AS financingneedsnum, COALESCE(( SELECT trunc(avg(to_number((el_loan_grant.loan_rate)::text, '0.00'::text)), 2) AS trunc FROM el_loan_grant, el_requirement_apply WHERE (((el_loan_grant.apply_id)::text = (el_requirement_apply.id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))))), (0)::numeric) AS averagelendingrate, COALESCE(( SELECT count(DISTINCT el_requirement_info.unisc_id) AS count FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND ((el_financial_institution.user_id)::text = (el_loan_grant.create_by)::text))), (0)::bigint) AS monthloanenterprisenum, COALESCE(( SELECT count(1) AS count FROM el_user_info rr, el_financial_institution tt WHERE (((rr.id)::text = (tt.user_id)::text) AND ((rr.user_type)::text = 'FI'::text) AND ((tt.parent_id)::text <> '-1'::text))), (0)::bigint) AS settledinfinancialinstitutionnum, COALESCE(( SELECT count(1) AS count FROM el_financial_product, el_financial_institution WHERE ((el_financial_product.create_by)::text = (el_financial_institution.user_id)::text)), (0)::bigint) AS financialproductsnum, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_financial_institution, el_requirement_apply WHERE (((el_loan_grant.apply_id)::text = (el_requirement_apply.id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS monthloanamount, COALESCE(( SELECT count(1) AS count FROM el_loan_grant, el_financial_institution, el_requirement_apply WHERE (((el_loan_grant.apply_id)::text = (el_requirement_apply.id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::bigint) AS monthloannum, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND (el_requirement_info.guarantee_mode = '5'::numeric) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS monthcreditloanamount, COALESCE(( SELECT count(1) AS count FROM el_loan_grant, el_requirement_info, el_financial_institution WHERE ((substr((el_requirement_info.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_info.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_loan_grant.requirement_id)::text = (el_requirement_info.id)::text) AND (el_requirement_info.guarantee_mode = '5'::numeric) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::bigint) AS monthcreditloannum, COALESCE(( SELECT sum(el_loan_grant.grant_amount) AS sum FROM el_loan_grant, el_requirement_apply, el_financial_institution WHERE (((el_loan_grant.apply_id)::text = (el_requirement_apply.id)::text) AND (substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND (to_char(el_loan_grant.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)) AND ((el_loan_grant.create_by)::text = (el_financial_institution.user_id)::text))), (0)::numeric) AS monthinclusivemicroenterpriseloanamount, COALESCE(( SELECT sum(el_requirement_info.amount) AS sum FROM el_requirement_info, el_requirement_apply, el_financial_institution WHERE ((substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_requirement_info.id)::text = (el_requirement_apply.requirement_id)::text) AND ((el_requirement_apply.institution_id)::text = (el_financial_institution.id)::text) AND (to_char(el_requirement_info.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)))), (0)::numeric) AS monthfinancingneedsamount, COALESCE(( SELECT count(1) AS count FROM el_requirement_info, el_requirement_apply, el_financial_institution WHERE ((substr((el_requirement_apply.unisc_id)::text, 0, 3) = '91'::text) AND ( (EXISTS ( SELECT 1 from (select unified_code as uniscid from el_comp_info where private_enterprises = 'Y') feiminying WHERE ((el_requirement_apply.unisc_id)::text = (feiminying.uniscid)::text)))) AND ((el_requirement_info.id)::text = (el_requirement_apply.requirement_id)::text) AND ((el_requirement_apply.institution_id)::text = (el_financial_institution.id)::text) AND (to_char(el_requirement_info.update_date, 'yyyy-mm'::text) = to_char(now(), 'yyyy-mm'::text)))), (0)::bigint) AS monthfinancingneedsnum, '2023-06-20 08:00:00'::text AS statisticsbegintime, now() AS statisticsendtime
07-26
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