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<meta name="description" content="问题： 1.@RequestBody注解的实体类里，如果存在首字母为小写，第二个字母大写的字段时，此字段会传为null的bug。 private String tUser; public Strin" />
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<h1 class="text-center">@RequestBody接收实体类时，部分字段丢失的问题</h1>
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<div id="content_views" class="htmledit_views"> <h3>问题：</h3> <p>1.@RequestBody注解的实体类里，如果存在首字母为小写，第二个字母大写的字段时，此字段会传为null的bug。</p> <pre><code class="language-java">private String tUser; public String getTUser() { return tUser; } public void setTUser(String tUser) { this.tUser = tUser; }</code></pre> <p>2.在IDEA中，布尔类型boolean/Boolean的isXXX变量，在自动生成getter和setter方法时，会去除is标识，如图所示。</p> <pre><code class="language-java">private Boolean isSignUpAudit; public Boolean getSignUpAudit() { return isSignUpAudit; } public void setSignUpAudit(Boolean signUpAudit) { isSignUpAudit = signUpAudit; }</code></pre> <h3></h3> <h3>问题1解决方法：</h3> <p> 1、修改字段名</p> <p>2、使用@JsonProperty注解，手动写get和set方法</p> <pre><code class="language-java">@JsonProperty(value = "tUser") private String tUser; public String getTUser() { return tUser; } public void setTUser(String tUser) { this.tUser = tUser; }</code></pre> <p>或</p> <pre><code class="language-java">private String tUser; @JsonProperty(value = "tUser") public String getTUser() { return tUser; } @JsonProperty(value = "tUser") public void setTUser(String tUser) { this.tUser = tUser; }</code></pre> <p>3、重写get和set方法，第一个字母小写开头</p> <pre><code class="language-java">private String tUser; public String gettUser() { return tUser; } public void settUser(String tUser) { this.tUser = tUser; }</code></pre> <h3>问题2解决方法：</h3> <p>1、修改字段名</p> <p>2、使用@JsonProperty注解，手动写get和set方法</p> <pre><code class="language-java">@JsonProperty(value = "isSignUpAudit") private Boolean isSignUpAudit; public Boolean getSignUpAudit() { return isSignUpAudit; } public void setSignUpAudit(Boolean signUpAudit) { isSignUpAudit = signUpAudit; }</code></pre> <p>或</p> <pre><code class="language-java">private Boolean isSignUpAudit; @JsonProperty(value = "isSignUpAudit") public Boolean getSignUpAudit() { return isSignUpAudit; } @JsonProperty(value = "isSignUpAudit") public void setSignUpAudit(Boolean signUpAudit) { isSignUpAudit = signUpAudit; }</code></pre> <p>3、重写get和set方法，带上is开头</p> <pre><code class="language-java">private Boolean isSignUpAudit; public Boolean getIsSignUpAudit() { return isSignUpAudit; } public void setIsSignUpAudit(Boolean isSignUpAudit) { this.isSignUpAudit = isSignUpAudit; } </code></pre> </p></div> <div class="clearfix"></div>
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