关于数据库查询new BeanPropertyRowMapper
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//bean类必须有无参构造,不然new BeanPropertyRowMapper<bean>(bean.class)不会把数据转为bean对象
@Test public void test3() throws PropertyVetoException { // List<bean> query = jdbcTemplate.query("select * from jiang", new BeanPropertyRowMapper<>(bean.class)); List<bean> query = jdbcTemplate.query("select * from jiang",new BeanPropertyRowMapper<bean>(bean.class)); System.out.println(query); }
package com.jiang; public class bean { private String username; private String password; public bean() { } public bean(String username, String password) { this.username = username; this.password = password; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } @Override public String toString() { return "bean{" + "username=‘" + username + ‘‘‘ + ", password=‘" + password + ‘‘‘ + ‘}‘; } }
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