1

README.md

@@ -406,7 +406,7 @@ Step 1：输入图书编号
 Step 2：查找图书是否已录入
 Step 3：if 不存在then 直接退出
 Step 4：else 输出图书信息
-![修改学生信息](update.svg)
+![修改学生信息](pictureupdata.svg)
 
 #### delete_data
 

pictureupdata.drawio.svg

@@ -0,0 +1,49 @@
+<mxfile host="65bd71144e">
+    <diagram id="u53qtdoir9kuawC4KYRK" name="第 1 页">
+        <mxGraphModel dx="832" dy="568" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="827" pageHeight="1169" math="0" shadow="0">
+            <root>
+                <mxCell id="0"/>
+                <mxCell id="1" parent="0"/>
+                <mxCell id="3" style="edgeStyle=none;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;html=1;fontFamily=Architects Daughter;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;fontSize=16;" edge="1" parent="1" source="2">
+                    <mxGeometry relative="1" as="geometry">
+                        <mxPoint x="185" y="170" as="targetPoint"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="2" value="updata_data" style="ellipse;whiteSpace=wrap;html=1;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;fontFamily=Architects Daughter;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;fontSize=20;" vertex="1" parent="1">
+                    <mxGeometry x="100" y="40" width="170" height="70" as="geometry"/>
+                </mxCell>
+                <mxCell id="5" style="edgeStyle=none;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;html=1;fontFamily=Architects Daughter;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;fontSize=16;" edge="1" parent="1" source="4">
+                    <mxGeometry relative="1" as="geometry">
+                        <mxPoint x="185" y="300" as="targetPoint"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="4" value="输入图书编号" style="rounded=0;whiteSpace=wrap;html=1;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;fontFamily=Architects Daughter;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;fontSize=20;" vertex="1" parent="1">
+                    <mxGeometry x="87.5" y="180" width="195" height="60" as="geometry"/>
+                </mxCell>
+                <mxCell id="7" style="edgeStyle=none;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;html=1;fontFamily=Architects Daughter;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;fontSize=16;" edge="1" parent="1" source="6">
+                    <mxGeometry relative="1" as="geometry">
+                        <mxPoint x="190" y="420" as="targetPoint"/>
+                    </mxGeometry>
+                </mxCell>
+                <mxCell id="10" style="edgeStyle=orthogonalEdgeStyle;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;html=1;entryX=0.5;entryY=0;entryDx=0;entryDy=0;fontFamily=Architects Daughter;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;fontSize=16;" edge="1" parent="1" source="6" target="9">
+                    <mxGeometry relative="1" as="geometry"/>
+                </mxCell>
+                <mxCell id="6" value="查找图书是否存在" style="rounded=1;whiteSpace=wrap;html=1;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;fontFamily=Architects Daughter;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;fontSize=20;" vertex="1" parent="1">
+                    <mxGeometry x="97.5" y="310" width="185" height="60" as="geometry"/>
+                </mxCell>
+                <mxCell id="8" value="输出图书信息" style="rounded=1;whiteSpace=wrap;html=1;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;fontFamily=Architects Daughter;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;fontSize=20;" vertex="1" parent="1">
+                    <mxGeometry x="110" y="430" width="160" height="60" as="geometry"/>
+                </mxCell>
+                <mxCell id="9" value="退出系统" style="rounded=1;whiteSpace=wrap;html=1;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;fontFamily=Architects Daughter;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;fontSize=20;" vertex="1" parent="1">
+                    <mxGeometry x="370" y="430" width="120" height="60" as="geometry"/>
+                </mxCell>
+                <mxCell id="12" value="Y" style="text;html=1;align=center;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;fontSize=20;fontFamily=Architects Daughter;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;" vertex="1" parent="1">
+                    <mxGeometry x="205" y="380" width="30" height="40" as="geometry"/>
+                </mxCell>
+                <mxCell id="13" value="N" style="text;html=1;align=center;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;fontSize=20;fontFamily=Architects Daughter;sketch=1;hachureGap=4;jiggle=2;curveFitting=1;fontSource=https%3A%2F%2Ffonts.googleapis.com%2Fcss%3Ffamily%3DArchitects%2BDaughter;" vertex="1" parent="1">
+                    <mxGeometry x="350" y="300" width="40" height="40" as="geometry"/>
+                </mxCell>
+            </root>
+        </mxGraphModel>
+    </diagram>
+</mxfile>